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authorTakashi Iwai <tiwai@suse.de>2013-11-08 16:45:38 +0100
committerTakashi Iwai <tiwai@suse.de>2013-11-08 16:45:38 +0100
commita6bc732b5a96b5403c2637e85c350b95ec6591f3 (patch)
tree4b1c3967cd1de42a5e36e567cbdd18e1f4e8446f /arch/um/kernel/exitcode.c
parent9a22a8f558d09a83965d2bbe168294eb8ffb70e9 (diff)
parentdd212bd5bb8b15889821ef79213cdb5bd47c6f85 (diff)
Merge tag 'asoc-v3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.13 Some additional fixes for v3.13, the majority of which are removals and downgrades of BUG()s from Takashi.
Diffstat (limited to 'arch/um/kernel/exitcode.c')
-rw-r--r--arch/um/kernel/exitcode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c
index 829df49dee99..41ebbfebb333 100644
--- a/arch/um/kernel/exitcode.c
+++ b/arch/um/kernel/exitcode.c
@@ -40,9 +40,11 @@ static ssize_t exitcode_proc_write(struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
char *end, buf[sizeof("nnnnn\0")];
+ size_t size;
int tmp;
- if (copy_from_user(buf, buffer, count))
+ size = min(count, sizeof(buf));
+ if (copy_from_user(buf, buffer, size))
return -EFAULT;
tmp = simple_strtol(buf, &end, 0);