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-rw-r--r--sound/core/Kconfig9
-rw-r--r--sound/core/compress_offload.c2
-rw-r--r--sound/core/control.c20
-rw-r--r--sound/core/ctljack.c2
-rw-r--r--sound/core/hwdep.c6
-rw-r--r--sound/core/init.c23
-rw-r--r--sound/core/jack.c304
-rw-r--r--sound/core/oss/mixer_oss.c14
-rw-r--r--sound/core/oss/rate.c4
-rw-r--r--sound/core/pcm.c29
-rw-r--r--sound/core/pcm_local.h7
-rw-r--r--sound/core/pcm_memory.c12
-rw-r--r--sound/core/pcm_native.c60
-rw-r--r--sound/core/rawmidi.c2
-rw-r--r--sound/core/seq/oss/seq_oss_midi.c4
-rw-r--r--sound/core/seq/oss/seq_oss_synth.c6
-rw-r--r--sound/core/seq/seq_clientmgr.c2
-rw-r--r--sound/core/seq/seq_memory.c2
-rw-r--r--sound/core/seq/seq_ports.c6
-rw-r--r--sound/core/sound.c15
-rw-r--r--sound/core/timer.c10
-rw-r--r--sound/core/timer_compat.c4
22 files changed, 444 insertions, 99 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index d4554f376160..a4050f87f230 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -187,6 +187,15 @@ config SND_CTL_VALIDATION
from the driver are in the proper ranges or the check of the invalid
access at out-of-array areas.
+config SND_JACK_INJECTION_DEBUG
+ bool "Sound jack injection interface via debugfs"
+ depends on SND_JACK && SND_DEBUG && DEBUG_FS
+ help
+ This option can be used to enable or disable sound jack
+ software injection.
+ Say Y if you are debugging via jack injection interface.
+ If unsure select "N".
+
config SND_VMASTER
bool
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index debc30fcf5b3..21ce4c056a92 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -1132,7 +1132,7 @@ static void snd_compress_proc_done(struct snd_compr *compr)
static inline void snd_compress_set_id(struct snd_compr *compr, const char *id)
{
- strlcpy(compr->id, id, sizeof(compr->id));
+ strscpy(compr->id, id, sizeof(compr->id));
}
#else
static inline int snd_compress_proc_init(struct snd_compr *compr)
diff --git a/sound/core/control.c b/sound/core/control.c
index 3b44378b9dec..5165741a8400 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -261,7 +261,7 @@ struct snd_kcontrol *snd_ctl_new1(const struct snd_kcontrol_new *ncontrol,
kctl->id.device = ncontrol->device;
kctl->id.subdevice = ncontrol->subdevice;
if (ncontrol->name) {
- strlcpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name));
+ strscpy(kctl->id.name, ncontrol->name, sizeof(kctl->id.name));
if (strcmp(ncontrol->name, kctl->id.name) != 0)
pr_warn("ALSA: Control name '%s' truncated to '%s'\n",
ncontrol->name, kctl->id.name);
@@ -701,12 +701,12 @@ static int snd_ctl_card_info(struct snd_card *card, struct snd_ctl_file * ctl,
return -ENOMEM;
down_read(&snd_ioctl_rwsem);
info->card = card->number;
- strlcpy(info->id, card->id, sizeof(info->id));
- strlcpy(info->driver, card->driver, sizeof(info->driver));
- strlcpy(info->name, card->shortname, sizeof(info->name));
- strlcpy(info->longname, card->longname, sizeof(info->longname));
- strlcpy(info->mixername, card->mixername, sizeof(info->mixername));
- strlcpy(info->components, card->components, sizeof(info->components));
+ strscpy(info->id, card->id, sizeof(info->id));
+ strscpy(info->driver, card->driver, sizeof(info->driver));
+ strscpy(info->name, card->shortname, sizeof(info->name));
+ strscpy(info->longname, card->longname, sizeof(info->longname));
+ strscpy(info->mixername, card->mixername, sizeof(info->mixername));
+ strscpy(info->components, card->components, sizeof(info->components));
up_read(&snd_ioctl_rwsem);
if (copy_to_user(arg, info, sizeof(struct snd_ctl_card_info))) {
kfree(info);
@@ -836,7 +836,7 @@ static void fill_remaining_elem_value(struct snd_ctl_elem_value *control,
{
size_t offset = value_sizes[info->type] * info->count;
- offset = (offset + sizeof(u32) - 1) / sizeof(u32);
+ offset = DIV_ROUND_UP(offset, sizeof(u32));
memset32((u32 *)control->value.bytes.data + offset, pattern,
sizeof(control->value) / sizeof(u32) - offset);
}
@@ -928,7 +928,7 @@ static int sanity_check_elem_value(struct snd_card *card,
/* check whether the remaining area kept untouched */
offset = value_sizes[info->type] * info->count;
- offset = (offset + sizeof(u32) - 1) / sizeof(u32);
+ offset = DIV_ROUND_UP(offset, sizeof(u32));
p = (u32 *)control->value.bytes.data + offset;
for (; offset < sizeof(control->value) / sizeof(u32); offset++, p++) {
if (*p != pattern) {
@@ -2137,7 +2137,7 @@ int snd_ctl_enum_info(struct snd_ctl_elem_info *info, unsigned int channels,
WARN(strlen(names[info->value.enumerated.item]) >= sizeof(info->value.enumerated.name),
"ALSA: too long item name '%s'\n",
names[info->value.enumerated.item]);
- strlcpy(info->value.enumerated.name,
+ strscpy(info->value.enumerated.name,
names[info->value.enumerated.item],
sizeof(info->value.enumerated.name));
return 0;
diff --git a/sound/core/ctljack.c b/sound/core/ctljack.c
index 9be4e282f2e0..709b1a9c2caa 100644
--- a/sound/core/ctljack.c
+++ b/sound/core/ctljack.c
@@ -35,7 +35,7 @@ static int get_available_index(struct snd_card *card, const char *name)
sid.index = 0;
sid.iface = SNDRV_CTL_ELEM_IFACE_CARD;
- strlcpy(sid.name, name, sizeof(sid.name));
+ strscpy(sid.name, name, sizeof(sid.name));
while (snd_ctl_find_id(card, &sid)) {
sid.index++;
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c
index 0c029892880a..264b8ea64bc2 100644
--- a/sound/core/hwdep.c
+++ b/sound/core/hwdep.c
@@ -177,8 +177,8 @@ static int snd_hwdep_info(struct snd_hwdep *hw,
memset(&info, 0, sizeof(info));
info.card = hw->card->number;
- strlcpy(info.id, hw->id, sizeof(info.id));
- strlcpy(info.name, hw->name, sizeof(info.name));
+ strscpy(info.id, hw->id, sizeof(info.id));
+ strscpy(info.name, hw->name, sizeof(info.name));
info.iface = hw->iface;
if (copy_to_user(_info, &info, sizeof(info)))
return -EFAULT;
@@ -379,7 +379,7 @@ int snd_hwdep_new(struct snd_card *card, char *id, int device,
hwdep->card = card;
hwdep->device = device;
if (id)
- strlcpy(hwdep->id, id, sizeof(hwdep->id));
+ strscpy(hwdep->id, id, sizeof(hwdep->id));
snd_device_initialize(&hwdep->dev, card);
hwdep->dev.release = release_hwdep_device;
diff --git a/sound/core/init.c b/sound/core/init.c
index 75aec71c48a8..45f4b01de23f 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -13,7 +13,9 @@
#include <linux/time.h>
#include <linux/ctype.h>
#include <linux/pm.h>
+#include <linux/debugfs.h>
#include <linux/completion.h>
+#include <linux/interrupt.h>
#include <sound/core.h>
#include <sound/control.h>
@@ -161,6 +163,9 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
{
struct snd_card *card;
int err;
+#ifdef CONFIG_SND_DEBUG
+ char name[8];
+#endif
if (snd_BUG_ON(!card_ret))
return -EINVAL;
@@ -174,7 +179,7 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
if (extra_size > 0)
card->private_data = (char *)card + sizeof(struct snd_card);
if (xid)
- strlcpy(card->id, xid, sizeof(card->id));
+ strscpy(card->id, xid, sizeof(card->id));
err = 0;
mutex_lock(&snd_card_mutex);
if (idx < 0) /* first check the matching module-name slot */
@@ -244,6 +249,12 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
dev_err(parent, "unable to create card info\n");
goto __error_ctl;
}
+
+#ifdef CONFIG_SND_DEBUG
+ sprintf(name, "card%d", idx);
+ card->debugfs_root = debugfs_create_dir(name, sound_debugfs_root);
+#endif
+
*card_ret = card;
return 0;
@@ -416,6 +427,9 @@ int snd_card_disconnect(struct snd_card *card)
/* notify all devices that we are disconnected */
snd_device_disconnect_all(card);
+ if (card->sync_irq > 0)
+ synchronize_irq(card->sync_irq);
+
snd_info_card_disconnect(card);
if (card->registered) {
device_del(&card->card_dev);
@@ -477,6 +491,10 @@ static int snd_card_do_free(struct snd_card *card)
dev_warn(card->dev, "unable to free card info\n");
/* Not fatal error */
}
+#ifdef CONFIG_SND_DEBUG
+ debugfs_remove(card->debugfs_root);
+ card->debugfs_root = NULL;
+#endif
if (card->release_completion)
complete(card->release_completion);
kfree(card);
@@ -526,6 +544,7 @@ int snd_card_free(struct snd_card *card)
return ret;
/* wait, until all devices are ready for the free operation */
wait_for_completion(&released);
+
return 0;
}
EXPORT_SYMBOL(snd_card_free);
@@ -623,7 +642,7 @@ static void snd_card_set_id_no_lock(struct snd_card *card, const char *src,
/* last resort... */
dev_err(card->dev, "unable to set card id (%s)\n", id);
if (card->proc_root->name)
- strlcpy(card->id, card->proc_root->name, sizeof(card->id));
+ strscpy(card->id, card->proc_root->name, sizeof(card->id));
}
/**
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 503c8af79d55..32350c6aba84 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -8,6 +8,9 @@
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/ctype.h>
+#include <linux/mm.h>
+#include <linux/debugfs.h>
#include <sound/jack.h>
#include <sound/core.h>
#include <sound/control.h>
@@ -16,6 +19,11 @@ struct snd_jack_kctl {
struct snd_kcontrol *kctl;
struct list_head list; /* list of controls belong to the same jack */
unsigned int mask_bits; /* only masked status bits are reported via kctl */
+ struct snd_jack *jack; /* pointer to struct snd_jack */
+ bool sw_inject_enable; /* allow to inject plug event via debugfs */
+#ifdef CONFIG_SND_JACK_INJECTION_DEBUG
+ struct dentry *jack_debugfs_root; /* jack_kctl debugfs root */
+#endif
};
#ifdef CONFIG_SND_JACK_INPUT_DEV
@@ -109,12 +117,291 @@ static int snd_jack_dev_register(struct snd_device *device)
}
#endif /* CONFIG_SND_JACK_INPUT_DEV */
+#ifdef CONFIG_SND_JACK_INJECTION_DEBUG
+static void snd_jack_inject_report(struct snd_jack_kctl *jack_kctl, int status)
+{
+ struct snd_jack *jack;
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+ int i;
+#endif
+ if (!jack_kctl)
+ return;
+
+ jack = jack_kctl->jack;
+
+ if (jack_kctl->sw_inject_enable)
+ snd_kctl_jack_report(jack->card, jack_kctl->kctl,
+ status & jack_kctl->mask_bits);
+
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+ if (!jack->input_dev)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
+ int testbit = ((SND_JACK_BTN_0 >> i) & jack_kctl->mask_bits);
+
+ if (jack->type & testbit)
+ input_report_key(jack->input_dev, jack->key[i],
+ status & testbit);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
+ int testbit = ((1 << i) & jack_kctl->mask_bits);
+
+ if (jack->type & testbit)
+ input_report_switch(jack->input_dev,
+ jack_switch_types[i],
+ status & testbit);
+ }
+
+ input_sync(jack->input_dev);
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
+}
+
+static ssize_t sw_inject_enable_read(struct file *file,
+ char __user *to, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ int len, ret;
+ char buf[128];
+
+ len = scnprintf(buf, sizeof(buf), "%s: %s\t\t%s: %i\n", "Jack", jack_kctl->kctl->id.name,
+ "Inject Enabled", jack_kctl->sw_inject_enable);
+ ret = simple_read_from_buffer(to, count, ppos, buf, len);
+
+ return ret;
+}
+
+static ssize_t sw_inject_enable_write(struct file *file,
+ const char __user *from, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ int ret, err;
+ unsigned long enable;
+ char buf[8] = { 0 };
+
+ ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);
+ err = kstrtoul(buf, 0, &enable);
+ if (err)
+ return err;
+
+ if (jack_kctl->sw_inject_enable == (!!enable))
+ return ret;
+
+ jack_kctl->sw_inject_enable = !!enable;
+
+ if (!jack_kctl->sw_inject_enable)
+ snd_jack_report(jack_kctl->jack, jack_kctl->jack->hw_status_cache);
+
+ return ret;
+}
+
+static ssize_t jackin_inject_write(struct file *file,
+ const char __user *from, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ int ret, err;
+ unsigned long enable;
+ char buf[8] = { 0 };
+
+ if (!jack_kctl->sw_inject_enable)
+ return -EINVAL;
+
+ ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, from, count);
+ err = kstrtoul(buf, 0, &enable);
+ if (err)
+ return err;
+
+ snd_jack_inject_report(jack_kctl, !!enable ? jack_kctl->mask_bits : 0);
+
+ return ret;
+}
+
+static ssize_t jack_kctl_id_read(struct file *file,
+ char __user *to, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ char buf[64];
+ int len, ret;
+
+ len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->id.name);
+ ret = simple_read_from_buffer(to, count, ppos, buf, len);
+
+ return ret;
+}
+
+/* the bit definition is aligned with snd_jack_types in jack.h */
+static const char * const jack_events_name[] = {
+ "HEADPHONE(0x0001)", "MICROPHONE(0x0002)", "LINEOUT(0x0004)",
+ "MECHANICAL(0x0008)", "VIDEOOUT(0x0010)", "LINEIN(0x0020)",
+ "", "", "", "BTN_5(0x0200)", "BTN_4(0x0400)", "BTN_3(0x0800)",
+ "BTN_2(0x1000)", "BTN_1(0x2000)", "BTN_0(0x4000)", "",
+};
+
+/* the recommended buffer size is 256 */
+static int parse_mask_bits(unsigned int mask_bits, char *buf, size_t buf_size)
+{
+ int i;
+
+ scnprintf(buf, buf_size, "0x%04x", mask_bits);
+
+ for (i = 0; i < ARRAY_SIZE(jack_events_name); i++)
+ if (mask_bits & (1 << i)) {
+ strlcat(buf, " ", buf_size);
+ strlcat(buf, jack_events_name[i], buf_size);
+ }
+ strlcat(buf, "\n", buf_size);
+
+ return strlen(buf);
+}
+
+static ssize_t jack_kctl_mask_bits_read(struct file *file,
+ char __user *to, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ char buf[256];
+ int len, ret;
+
+ len = parse_mask_bits(jack_kctl->mask_bits, buf, sizeof(buf));
+ ret = simple_read_from_buffer(to, count, ppos, buf, len);
+
+ return ret;
+}
+
+static ssize_t jack_kctl_status_read(struct file *file,
+ char __user *to, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ char buf[16];
+ int len, ret;
+
+ len = scnprintf(buf, sizeof(buf), "%s\n", jack_kctl->kctl->private_value ?
+ "Plugged" : "Unplugged");
+ ret = simple_read_from_buffer(to, count, ppos, buf, len);
+
+ return ret;
+}
+
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+static ssize_t jack_type_read(struct file *file,
+ char __user *to, size_t count, loff_t *ppos)
+{
+ struct snd_jack_kctl *jack_kctl = file->private_data;
+ char buf[256];
+ int len, ret;
+
+ len = parse_mask_bits(jack_kctl->jack->type, buf, sizeof(buf));
+ ret = simple_read_from_buffer(to, count, ppos, buf, len);
+
+ return ret;
+}
+
+static const struct file_operations jack_type_fops = {
+ .open = simple_open,
+ .read = jack_type_read,
+ .llseek = default_llseek,
+};
+#endif
+
+static const struct file_operations sw_inject_enable_fops = {
+ .open = simple_open,
+ .read = sw_inject_enable_read,
+ .write = sw_inject_enable_write,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations jackin_inject_fops = {
+ .open = simple_open,
+ .write = jackin_inject_write,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations jack_kctl_id_fops = {
+ .open = simple_open,
+ .read = jack_kctl_id_read,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations jack_kctl_mask_bits_fops = {
+ .open = simple_open,
+ .read = jack_kctl_mask_bits_read,
+ .llseek = default_llseek,
+};
+
+static const struct file_operations jack_kctl_status_fops = {
+ .open = simple_open,
+ .read = jack_kctl_status_read,
+ .llseek = default_llseek,
+};
+
+static int snd_jack_debugfs_add_inject_node(struct snd_jack *jack,
+ struct snd_jack_kctl *jack_kctl)
+{
+ char *tname;
+ int i;
+
+ /* Don't create injection interface for Phantom jacks */
+ if (strstr(jack_kctl->kctl->id.name, "Phantom"))
+ return 0;
+
+ tname = kstrdup(jack_kctl->kctl->id.name, GFP_KERNEL);
+ if (!tname)
+ return -ENOMEM;
+
+ /* replace the chars which are not suitable for folder's name with _ */
+ for (i = 0; tname[i]; i++)
+ if (!isalnum(tname[i]))
+ tname[i] = '_';
+
+ jack_kctl->jack_debugfs_root = debugfs_create_dir(tname, jack->card->debugfs_root);
+ kfree(tname);
+
+ debugfs_create_file("sw_inject_enable", 0644, jack_kctl->jack_debugfs_root, jack_kctl,
+ &sw_inject_enable_fops);
+
+ debugfs_create_file("jackin_inject", 0200, jack_kctl->jack_debugfs_root, jack_kctl,
+ &jackin_inject_fops);
+
+ debugfs_create_file("kctl_id", 0444, jack_kctl->jack_debugfs_root, jack_kctl,
+ &jack_kctl_id_fops);
+
+ debugfs_create_file("mask_bits", 0444, jack_kctl->jack_debugfs_root, jack_kctl,
+ &jack_kctl_mask_bits_fops);
+
+ debugfs_create_file("status", 0444, jack_kctl->jack_debugfs_root, jack_kctl,
+ &jack_kctl_status_fops);
+
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+ debugfs_create_file("type", 0444, jack_kctl->jack_debugfs_root, jack_kctl,
+ &jack_type_fops);
+#endif
+ return 0;
+}
+
+static void snd_jack_debugfs_clear_inject_node(struct snd_jack_kctl *jack_kctl)
+{
+ debugfs_remove(jack_kctl->jack_debugfs_root);
+ jack_kctl->jack_debugfs_root = NULL;
+}
+#else /* CONFIG_SND_JACK_INJECTION_DEBUG */
+static int snd_jack_debugfs_add_inject_node(struct snd_jack *jack,
+ struct snd_jack_kctl *jack_kctl)
+{
+ return 0;
+}
+
+static void snd_jack_debugfs_clear_inject_node(struct snd_jack_kctl *jack_kctl)
+{
+}
+#endif /* CONFIG_SND_JACK_INJECTION_DEBUG */
+
static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
{
struct snd_jack_kctl *jack_kctl;
jack_kctl = kctl->private_data;
if (jack_kctl) {
+ snd_jack_debugfs_clear_inject_node(jack_kctl);
list_del(&jack_kctl->list);
kfree(jack_kctl);
}
@@ -122,7 +409,9 @@ static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
static void snd_jack_kctl_add(struct snd_jack *jack, struct snd_jack_kctl *jack_kctl)
{
+ jack_kctl->jack = jack;
list_add_tail(&jack_kctl->list, &jack->kctl_list);
+ snd_jack_debugfs_add_inject_node(jack, jack_kctl);
}
static struct snd_jack_kctl * snd_jack_kctl_new(struct snd_card *card, const char *name, unsigned int mask)
@@ -340,6 +629,7 @@ EXPORT_SYMBOL(snd_jack_set_key);
void snd_jack_report(struct snd_jack *jack, int status)
{
struct snd_jack_kctl *jack_kctl;
+ unsigned int mask_bits = 0;
#ifdef CONFIG_SND_JACK_INPUT_DEV
int i;
#endif
@@ -347,16 +637,21 @@ void snd_jack_report(struct snd_jack *jack, int status)
if (!jack)
return;
+ jack->hw_status_cache = status;
+
list_for_each_entry(jack_kctl, &jack->kctl_list, list)
- snd_kctl_jack_report(jack->card, jack_kctl->kctl,
- status & jack_kctl->mask_bits);
+ if (jack_kctl->sw_inject_enable)
+ mask_bits |= jack_kctl->mask_bits;
+ else
+ snd_kctl_jack_report(jack->card, jack_kctl->kctl,
+ status & jack_kctl->mask_bits);
#ifdef CONFIG_SND_JACK_INPUT_DEV
if (!jack->input_dev)
return;
for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
- int testbit = SND_JACK_BTN_0 >> i;
+ int testbit = ((SND_JACK_BTN_0 >> i) & ~mask_bits);
if (jack->type & testbit)
input_report_key(jack->input_dev, jack->key[i],
@@ -364,7 +659,8 @@ void snd_jack_report(struct snd_jack *jack, int status)
}
for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
- int testbit = 1 << i;
+ int testbit = ((1 << i) & ~mask_bits);
+
if (jack->type & testbit)
input_report_switch(jack->input_dev,
jack_switch_types[i],
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index f702c96a7478..bec928327478 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -87,8 +87,8 @@ static int snd_mixer_oss_info(struct snd_mixer_oss_file *fmixer,
struct mixer_info info;
memset(&info, 0, sizeof(info));
- strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
- strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
+ strscpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
+ strscpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
info.modify_counter = card->mixer_oss_change_count;
if (copy_to_user(_info, &info, sizeof(info)))
return -EFAULT;
@@ -103,8 +103,8 @@ static int snd_mixer_oss_info_obsolete(struct snd_mixer_oss_file *fmixer,
_old_mixer_info info;
memset(&info, 0, sizeof(info));
- strlcpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
- strlcpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
+ strscpy(info.id, mixer && mixer->id[0] ? mixer->id : card->driver, sizeof(info.id));
+ strscpy(info.name, mixer && mixer->name[0] ? mixer->name : card->mixername, sizeof(info.name));
if (copy_to_user(_info, &info, sizeof(info)))
return -EFAULT;
return 0;
@@ -418,7 +418,7 @@ static long snd_mixer_oss_conv(long val, long omin, long omax, long nmin, long n
if (orange == 0)
return 0;
- return ((nrange * (val - omin)) + (orange / 2)) / orange + nmin;
+ return DIV_ROUND_CLOSEST(nrange * (val - omin), orange) + nmin;
}
/* convert from alsa native to oss values (0-100) */
@@ -499,7 +499,7 @@ static struct snd_kcontrol *snd_mixer_oss_test_id(struct snd_mixer_oss *mixer, c
memset(&id, 0, sizeof(id));
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- strlcpy(id.name, name, sizeof(id.name));
+ strscpy(id.name, name, sizeof(id.name));
id.index = index;
return snd_ctl_find_id(card, &id);
}
@@ -1355,7 +1355,7 @@ static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd)
mixer->oss_dev_alloc = 1;
mixer->card = card;
if (*card->mixername)
- strlcpy(mixer->name, card->mixername, sizeof(mixer->name));
+ strscpy(mixer->name, card->mixername, sizeof(mixer->name));
else
snprintf(mixer->name, sizeof(mixer->name),
"mixer%i", card->number);
diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c
index d381f4c967c9..98269119347f 100644
--- a/sound/core/oss/rate.c
+++ b/sound/core/oss/rate.c
@@ -193,7 +193,7 @@ static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_
if (plugin->src_format.rate < plugin->dst_format.rate) {
res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
} else {
- res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
+ res = DIV_ROUND_CLOSEST(frames << SHIFT, data->pitch);
}
if (data->old_src_frames > 0) {
snd_pcm_sframes_t frames1 = frames, res1 = data->old_dst_frames;
@@ -224,7 +224,7 @@ static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_
return 0;
data = (struct rate_priv *)plugin->extra_data;
if (plugin->src_format.rate < plugin->dst_format.rate) {
- res = (((frames << SHIFT) + (data->pitch / 2)) / data->pitch);
+ res = DIV_ROUND_CLOSEST(frames << SHIFT, data->pitch);
} else {
res = (((frames * data->pitch) + (BITS/2)) >> SHIFT);
}
diff --git a/sound/core/pcm.c b/sound/core/pcm.c
index be5714f1bb58..b163164a83ec 100644
--- a/sound/core/pcm.c
+++ b/sound/core/pcm.c
@@ -729,7 +729,7 @@ static int _snd_pcm_new(struct snd_card *card, const char *id, int device,
init_waitqueue_head(&pcm->open_wait);
INIT_LIST_HEAD(&pcm->list);
if (id)
- strlcpy(pcm->id, id, sizeof(pcm->id));
+ strscpy(pcm->id, id, sizeof(pcm->id));
err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_PLAYBACK,
playback_count);
@@ -1095,22 +1095,23 @@ static int snd_pcm_dev_disconnect(struct snd_device *device)
mutex_lock(&pcm->open_mutex);
wake_up(&pcm->open_wait);
list_del_init(&pcm->list);
- for (cidx = 0; cidx < 2; cidx++) {
- for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) {
- snd_pcm_stream_lock_irq(substream);
- if (substream->runtime) {
- if (snd_pcm_running(substream))
- snd_pcm_stop(substream,
- SNDRV_PCM_STATE_DISCONNECTED);
- /* to be sure, set the state unconditionally */
- substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;
- wake_up(&substream->runtime->sleep);
- wake_up(&substream->runtime->tsleep);
- }
- snd_pcm_stream_unlock_irq(substream);
+
+ for_each_pcm_substream(pcm, cidx, substream) {
+ snd_pcm_stream_lock_irq(substream);
+ if (substream->runtime) {
+ if (snd_pcm_running(substream))
+ snd_pcm_stop(substream, SNDRV_PCM_STATE_DISCONNECTED);
+ /* to be sure, set the state unconditionally */
+ substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED;
+ wake_up(&substream->runtime->sleep);
+ wake_up(&substream->runtime->tsleep);
}
+ snd_pcm_stream_unlock_irq(substream);
}
+ for_each_pcm_substream(pcm, cidx, substream)
+ snd_pcm_sync_stop(substream, false);
+
pcm_call_notify(pcm, n_disconnect);
for (cidx = 0; cidx < 2; cidx++) {
snd_unregister_device(&pcm->streams[cidx].dev);
diff --git a/sound/core/pcm_local.h b/sound/core/pcm_local.h
index 17a1a5d87098..e3b3558aeab6 100644
--- a/sound/core/pcm_local.h
+++ b/sound/core/pcm_local.h
@@ -63,6 +63,7 @@ static inline void snd_pcm_timer_done(struct snd_pcm_substream *substream) {}
void __snd_pcm_xrun(struct snd_pcm_substream *substream);
void snd_pcm_group_init(struct snd_pcm_group *group);
+void snd_pcm_sync_stop(struct snd_pcm_substream *substream, bool sync_irq);
#ifdef CONFIG_SND_DMA_SGBUF
struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
@@ -71,4 +72,10 @@ struct page *snd_pcm_sgbuf_ops_page(struct snd_pcm_substream *substream,
#define PCM_RUNTIME_CHECK(sub) snd_BUG_ON(!(sub) || !(sub)->runtime)
+/* loop over all PCM substreams */
+#define for_each_pcm_substream(pcm, str, subs) \
+ for ((str) = 0; (str) < 2; (str)++) \
+ for ((subs) = (pcm)->streams[str].substream; (subs); \
+ (subs) = (subs)->next)
+
#endif /* __SOUND_CORE_PCM_LOCAL_H */
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index ee6e9c5eec45..289dd1fd8fe7 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -111,9 +111,8 @@ void snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm)
struct snd_pcm_substream *substream;
int stream;
- for (stream = 0; stream < 2; stream++)
- for (substream = pcm->streams[stream].substream; substream; substream = substream->next)
- snd_pcm_lib_preallocate_free(substream);
+ for_each_pcm_substream(pcm, stream, substream)
+ snd_pcm_lib_preallocate_free(substream);
}
EXPORT_SYMBOL(snd_pcm_lib_preallocate_free_for_all);
@@ -246,11 +245,8 @@ static void preallocate_pages_for_all(struct snd_pcm *pcm, int type,
struct snd_pcm_substream *substream;
int stream;
- for (stream = 0; stream < 2; stream++)
- for (substream = pcm->streams[stream].substream; substream;
- substream = substream->next)
- preallocate_pages(substream, type, data, size, max,
- managed);
+ for_each_pcm_substream(pcm, stream, substream)
+ preallocate_pages(substream, type, data, size, max, managed);
}
/**
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index c4aac703dc22..17a85f4815d5 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -209,13 +209,13 @@ int snd_pcm_info(struct snd_pcm_substream *substream, struct snd_pcm_info *info)
info->device = pcm->device;
info->stream = substream->stream;
info->subdevice = substream->number;
- strlcpy(info->id, pcm->id, sizeof(info->id));
- strlcpy(info->name, pcm->name, sizeof(info->name));
+ strscpy(info->id, pcm->id, sizeof(info->id));
+ strscpy(info->name, pcm->name, sizeof(info->name));
info->dev_class = pcm->dev_class;
info->dev_subclass = pcm->dev_subclass;
info->subdevices_count = pstr->substream_count;
info->subdevices_avail = pstr->substream_count - pstr->substream_opened;
- strlcpy(info->subname, substream->name, sizeof(info->subname));
+ strscpy(info->subname, substream->name, sizeof(info->subname));
return 0;
}
@@ -583,13 +583,13 @@ static inline void snd_pcm_timer_notify(struct snd_pcm_substream *substream,
#endif
}
-static void snd_pcm_sync_stop(struct snd_pcm_substream *substream)
+void snd_pcm_sync_stop(struct snd_pcm_substream *substream, bool sync_irq)
{
- if (substream->runtime->stop_operating) {
+ if (substream->runtime && substream->runtime->stop_operating) {
substream->runtime->stop_operating = false;
- if (substream->ops->sync_stop)
+ if (substream->ops && substream->ops->sync_stop)
substream->ops->sync_stop(substream);
- else if (substream->pcm->card->sync_irq > 0)
+ else if (sync_irq && substream->pcm->card->sync_irq > 0)
synchronize_irq(substream->pcm->card->sync_irq);
}
}
@@ -686,7 +686,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
if (atomic_read(&substream->mmap_count))
return -EBADFD;
- snd_pcm_sync_stop(substream);
+ snd_pcm_sync_stop(substream, true);
params->rmask = ~0U;
err = snd_pcm_hw_refine(substream, params);
@@ -809,7 +809,7 @@ static int do_hw_free(struct snd_pcm_substream *substream)
{
int result = 0;
- snd_pcm_sync_stop(substream);
+ snd_pcm_sync_stop(substream, true);
if (substream->ops->hw_free)
result = substream->ops->hw_free(substream);
if (substream->managed_buffer_alloc)
@@ -1421,8 +1421,10 @@ static int snd_pcm_do_stop(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
if (substream->runtime->trigger_master == substream &&
- snd_pcm_running(substream))
+ snd_pcm_running(substream)) {
substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_STOP);
+ substream->runtime->stop_operating = true;
+ }
return 0; /* unconditonally stop all substreams */
}
@@ -1435,7 +1437,6 @@ static void snd_pcm_post_stop(struct snd_pcm_substream *substream,
runtime->status->state = state;
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MSTOP);
}
- runtime->stop_operating = true;
wake_up(&runtime->sleep);
wake_up(&runtime->tsleep);
}
@@ -1615,6 +1616,7 @@ static int snd_pcm_do_suspend(struct snd_pcm_substream *substream,
if (! snd_pcm_running(substream))
return 0;
substream->ops->trigger(substream, SNDRV_PCM_TRIGGER_SUSPEND);
+ runtime->stop_operating = true;
return 0; /* suspend unconditionally */
}
@@ -1672,25 +1674,26 @@ int snd_pcm_suspend_all(struct snd_pcm *pcm)
if (! pcm)
return 0;
- for (stream = 0; stream < 2; stream++) {
- for (substream = pcm->streams[stream].substream;
- substream; substream = substream->next) {
- /* FIXME: the open/close code should lock this as well */
- if (substream->runtime == NULL)
- continue;
+ for_each_pcm_substream(pcm, stream, substream) {
+ /* FIXME: the open/close code should lock this as well */
+ if (!substream->runtime)
+ continue;
- /*
- * Skip BE dai link PCM's that are internal and may
- * not have their substream ops set.
- */
- if (!substream->ops)
- continue;
+ /*
+ * Skip BE dai link PCM's that are internal and may
+ * not have their substream ops set.
+ */
+ if (!substream->ops)
+ continue;
- err = snd_pcm_suspend(substream);
- if (err < 0 && err != -EBUSY)
- return err;
- }
+ err = snd_pcm_suspend(substream);
+ if (err < 0 && err != -EBUSY)
+ return err;
}
+
+ for_each_pcm_substream(pcm, stream, substream)
+ snd_pcm_sync_stop(substream, false);
+
return 0;
}
EXPORT_SYMBOL(snd_pcm_suspend_all);
@@ -1736,7 +1739,6 @@ static void snd_pcm_post_resume(struct snd_pcm_substream *substream,
snd_pcm_trigger_tstamp(substream);
runtime->status->state = runtime->status->suspended_state;
snd_pcm_timer_notify(substream, SNDRV_TIMER_EVENT_MRESUME);
- snd_pcm_sync_stop(substream);
}
static const struct action_ops snd_pcm_action_resume = {
@@ -1866,7 +1868,7 @@ static int snd_pcm_do_prepare(struct snd_pcm_substream *substream,
snd_pcm_state_t state)
{
int err;
- snd_pcm_sync_stop(substream);
+ snd_pcm_sync_stop(substream, true);
err = substream->ops->prepare(substream);
if (err < 0)
return err;
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 257ad5206240..aca00af93afe 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -1686,7 +1686,7 @@ int snd_rawmidi_new(struct snd_card *card, char *id, int device,
INIT_LIST_HEAD(&rmidi->streams[SNDRV_RAWMIDI_STREAM_OUTPUT].substreams);
if (id != NULL)
- strlcpy(rmidi->id, id, sizeof(rmidi->id));
+ strscpy(rmidi->id, id, sizeof(rmidi->id));
snd_device_initialize(&rmidi->dev, card);
rmidi->dev.release = release_rawmidi_device;
diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c
index 2ddfe2226651..3f82c196de46 100644
--- a/sound/core/seq/oss/seq_oss_midi.c
+++ b/sound/core/seq/oss/seq_oss_midi.c
@@ -173,7 +173,7 @@ snd_seq_oss_midi_check_new_port(struct snd_seq_port_info *pinfo)
snd_use_lock_init(&mdev->use_lock);
/* copy and truncate the name of synth device */
- strlcpy(mdev->name, pinfo->name, sizeof(mdev->name));
+ strscpy(mdev->name, pinfo->name, sizeof(mdev->name));
/* create MIDI coder */
if (snd_midi_event_new(MAX_MIDI_EVENT_BUF, &mdev->coder) < 0) {
@@ -647,7 +647,7 @@ snd_seq_oss_midi_make_info(struct seq_oss_devinfo *dp, int dev, struct midi_info
inf->device = dev;
inf->dev_type = 0; /* FIXME: ?? */
inf->capabilities = 0; /* FIXME: ?? */
- strlcpy(inf->name, mdev->name, sizeof(inf->name));
+ strscpy(inf->name, mdev->name, sizeof(inf->name));
snd_use_lock_free(&mdev->use_lock);
return 0;
}
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index 1b8409ec2c97..722f5059b300 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -107,7 +107,7 @@ snd_seq_oss_synth_probe(struct device *_dev)
snd_use_lock_init(&rec->use_lock);
/* copy and truncate the name of synth device */
- strlcpy(rec->name, dev->name, sizeof(rec->name));
+ strscpy(rec->name, dev->name, sizeof(rec->name));
/* registration */
spin_lock_irqsave(&register_lock, flags);
@@ -617,7 +617,7 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in
inf->synth_subtype = 0;
inf->nr_voices = 16;
inf->device = dev;
- strlcpy(inf->name, minf.name, sizeof(inf->name));
+ strscpy(inf->name, minf.name, sizeof(inf->name));
} else {
if ((rec = get_synthdev(dp, dev)) == NULL)
return -ENXIO;
@@ -625,7 +625,7 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in
inf->synth_subtype = rec->synth_subtype;
inf->nr_voices = rec->nr_voices;
inf->device = dev;
- strlcpy(inf->name, rec->name, sizeof(inf->name));
+ strscpy(inf->name, rec->name, sizeof(inf->name));
snd_use_lock_free(&rec->use_lock);
}
return 0;
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index f9f2fea58b32..b6a24fb5e76b 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1584,7 +1584,7 @@ static int snd_seq_ioctl_get_queue_info(struct snd_seq_client *client,
info->queue = q->queue;
info->owner = q->owner;
info->locked = q->locked;
- strlcpy(info->name, q->name, sizeof(info->name));
+ strscpy(info->name, q->name, sizeof(info->name));
queuefree(q);
return 0;
diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c
index 65db1a7c77b7..e245bb6ba533 100644
--- a/sound/core/seq/seq_memory.c
+++ b/sound/core/seq/seq_memory.c
@@ -290,7 +290,7 @@ int snd_seq_event_dup(struct snd_seq_pool *pool, struct snd_seq_event *event,
extlen = 0;
if (snd_seq_ev_is_variable(event)) {
extlen = event->data.ext.len & ~SNDRV_SEQ_EXT_MASK;
- ncells = (extlen + sizeof(struct snd_seq_event) - 1) / sizeof(struct snd_seq_event);
+ ncells = DIV_ROUND_UP(extlen, sizeof(struct snd_seq_event));
}
if (ncells >= pool->total_elements)
return -ENOMEM;
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 83be6b982a87..b9c2ce2b8d5a 100644
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -327,7 +327,7 @@ int snd_seq_set_port_info(struct snd_seq_client_port * port,
/* set port name */
if (info->name[0])
- strlcpy(port->name, info->name, sizeof(port->name));
+ strscpy(port->name, info->name, sizeof(port->name));
/* set capabilities */
port->capability = info->capability;
@@ -356,7 +356,7 @@ int snd_seq_get_port_info(struct snd_seq_client_port * port,
return -EINVAL;
/* get port name */
- strlcpy(info->name, port->name, sizeof(info->name));
+ strscpy(info->name, port->name, sizeof(info->name));
/* get capabilities */
info->capability = port->capability;
@@ -654,7 +654,7 @@ int snd_seq_event_port_attach(int client,
/* Set up the port */
memset(&portinfo, 0, sizeof(portinfo));
portinfo.addr.client = client;
- strlcpy(portinfo.name, portname ? portname : "Unnamed port",
+ strscpy(portinfo.name, portname ? portname : "Unnamed port",
sizeof(portinfo.name));
portinfo.capability = cap;
diff --git a/sound/core/sound.c b/sound/core/sound.c
index b75f78f2c4b8..af89e51dd44a 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -9,6 +9,7 @@
#include <linux/time.h>
#include <linux/device.h>
#include <linux/module.h>
+#include <linux/debugfs.h>
#include <sound/core.h>
#include <sound/minors.h>
#include <sound/info.h>
@@ -39,6 +40,11 @@ MODULE_ALIAS_CHARDEV_MAJOR(CONFIG_SND_MAJOR);
int snd_ecards_limit;
EXPORT_SYMBOL(snd_ecards_limit);
+#ifdef CONFIG_SND_DEBUG
+struct dentry *sound_debugfs_root;
+EXPORT_SYMBOL_GPL(sound_debugfs_root);
+#endif
+
static struct snd_minor *snd_minors[SNDRV_OS_MINORS];
static DEFINE_MUTEX(sound_mutex);
@@ -337,6 +343,8 @@ static const char *snd_device_type_name(int type)
return "sequencer";
case SNDRV_DEVICE_TYPE_TIMER:
return "timer";
+ case SNDRV_DEVICE_TYPE_COMPRESS:
+ return "compress";
default:
return "?";
}
@@ -395,6 +403,10 @@ static int __init alsa_sound_init(void)
unregister_chrdev(major, "alsa");
return -ENOMEM;
}
+
+#ifdef CONFIG_SND_DEBUG
+ sound_debugfs_root = debugfs_create_dir("sound", NULL);
+#endif
#ifndef MODULE
pr_info("Advanced Linux Sound Architecture Driver Initialized.\n");
#endif
@@ -403,6 +415,9 @@ static int __init alsa_sound_init(void)
static void __exit alsa_sound_exit(void)
{
+#ifdef CONFIG_SND_DEBUG
+ debugfs_remove(sound_debugfs_root);
+#endif
snd_info_done();
unregister_chrdev(major, "alsa");
}
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 765ea66665a8..6898b1ac0d7f 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -959,7 +959,7 @@ int snd_timer_new(struct snd_card *card, char *id, struct snd_timer_id *tid,
timer->tmr_device = tid->device;
timer->tmr_subdevice = tid->subdevice;
if (id)
- strlcpy(timer->id, id, sizeof(timer->id));
+ strscpy(timer->id, id, sizeof(timer->id));
timer->sticks = 1;
INIT_LIST_HEAD(&timer->device_list);
INIT_LIST_HEAD(&timer->open_list_head);
@@ -1659,8 +1659,8 @@ static int snd_timer_user_ginfo(struct file *file,
ginfo->card = t->card ? t->card->number : -1;
if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
ginfo->flags |= SNDRV_TIMER_FLG_SLAVE;
- strlcpy(ginfo->id, t->id, sizeof(ginfo->id));
- strlcpy(ginfo->name, t->name, sizeof(ginfo->name));
+ strscpy(ginfo->id, t->id, sizeof(ginfo->id));
+ strscpy(ginfo->name, t->name, sizeof(ginfo->name));
ginfo->resolution = t->hw.resolution;
if (t->hw.resolution_min > 0) {
ginfo->resolution_min = t->hw.resolution_min;
@@ -1814,8 +1814,8 @@ static int snd_timer_user_info(struct file *file,
info->card = t->card ? t->card->number : -1;
if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
info->flags |= SNDRV_TIMER_FLG_SLAVE;
- strlcpy(info->id, t->id, sizeof(info->id));
- strlcpy(info->name, t->name, sizeof(info->name));
+ strscpy(info->id, t->id, sizeof(info->id));
+ strscpy(info->name, t->name, sizeof(info->name));
info->resolution = t->hw.resolution;
if (copy_to_user(_info, info, sizeof(*_info)))
err = -EFAULT;
diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index 0103d16f6f9f..ee973b7b8044 100644
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -61,8 +61,8 @@ static int snd_timer_user_info_compat(struct file *file,
info.card = t->card ? t->card->number : -1;
if (t->hw.flags & SNDRV_TIMER_HW_SLAVE)
info.flags |= SNDRV_TIMER_FLG_SLAVE;
- strlcpy(info.id, t->id, sizeof(info.id));
- strlcpy(info.name, t->name, sizeof(info.name));
+ strscpy(info.id, t->id, sizeof(info.id));
+ strscpy(info.name, t->name, sizeof(info.name));
info.resolution = t->hw.resolution;
if (copy_to_user(_info, &info, sizeof(*_info)))
return -EFAULT;
generated by cgit v1.2.3-70-g09d2 (git 2.47.1) at 2025-01-09 16:35:41 +0000