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-rw-r--r--drivers/bluetooth/hci_vhci.c2
-rw-r--r--drivers/net/macvtap.c4
-rw-r--r--drivers/net/tun.c7
-rw-r--r--drivers/staging/lustre/lustre/llite/dcache.c33
-rw-r--r--drivers/staging/lustre/lustre/llite/llite_internal.h17
-rw-r--r--drivers/staging/lustre/lustre/llite/llite_nfs.c22
-rw-r--r--drivers/staging/lustre/lustre/llite/namei.c13
-rw-r--r--drivers/staging/lustre/lustre/llite/statahead.c4
-rw-r--r--drivers/usb/gadget/function/f_fs.c2
-rw-r--r--drivers/usb/gadget/legacy/inode.c2
-rw-r--r--drivers/vhost/scsi.c3
-rw-r--r--drivers/vhost/vhost.c3
12 files changed, 26 insertions, 86 deletions
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index c4a75a18dcae..233e850fdac7 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -181,7 +181,7 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
if (!skb)
return -ENOMEM;
- if (copy_from_iter(skb_put(skb, len), len, from) != len) {
+ if (!copy_from_iter_full(skb_put(skb, len), len, from)) {
kfree_skb(skb);
return -EFAULT;
}
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 070e3290aa6e..19d81ca3fb49 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -673,7 +673,6 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
int depth;
bool zerocopy = false;
size_t linear;
- ssize_t n;
if (q->flags & IFF_VNET_HDR) {
vnet_hdr_len = q->vnet_hdr_sz;
@@ -684,8 +683,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
len -= vnet_hdr_len;
err = -EFAULT;
- n = copy_from_iter(&vnet_hdr, sizeof(vnet_hdr), from);
- if (n != sizeof(vnet_hdr))
+ if (!copy_from_iter_full(&vnet_hdr, sizeof(vnet_hdr), from))
goto err;
iov_iter_advance(from, vnet_hdr_len - sizeof(vnet_hdr));
if ((vnet_hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) &&
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 8093e39ae263..4fa2d756548a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1171,7 +1171,6 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
bool zerocopy = false;
int err;
u32 rxhash;
- ssize_t n;
if (!(tun->dev->flags & IFF_UP))
return -EIO;
@@ -1181,8 +1180,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
return -EINVAL;
len -= sizeof(pi);
- n = copy_from_iter(&pi, sizeof(pi), from);
- if (n != sizeof(pi))
+ if (!copy_from_iter_full(&pi, sizeof(pi), from))
return -EFAULT;
}
@@ -1191,8 +1189,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
return -EINVAL;
len -= tun->vnet_hdr_sz;
- n = copy_from_iter(&gso, sizeof(gso), from);
- if (n != sizeof(gso))
+ if (!copy_from_iter_full(&gso, sizeof(gso), from))
return -EFAULT;
if ((gso.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM) &&
diff --git a/drivers/staging/lustre/lustre/llite/dcache.c b/drivers/staging/lustre/lustre/llite/dcache.c
index 0e45d8fc4d7c..65bf0c401b44 100644
--- a/drivers/staging/lustre/lustre/llite/dcache.c
+++ b/drivers/staging/lustre/lustre/llite/dcache.c
@@ -57,9 +57,6 @@ static void ll_release(struct dentry *de)
LASSERT(de);
lld = ll_d2d(de);
- if (!lld) /* NFS copies the de->d_op methods (bug 4655) */
- return;
-
if (lld->lld_it) {
ll_intent_release(lld->lld_it);
kfree(lld->lld_it);
@@ -126,30 +123,13 @@ static int ll_ddelete(const struct dentry *de)
return 0;
}
-int ll_d_init(struct dentry *de)
+static int ll_d_init(struct dentry *de)
{
- CDEBUG(D_DENTRY, "ldd on dentry %pd (%p) parent %p inode %p refc %d\n",
- de, de, de->d_parent, d_inode(de), d_count(de));
-
- if (!de->d_fsdata) {
- struct ll_dentry_data *lld;
-
- lld = kzalloc(sizeof(*lld), GFP_NOFS);
- if (likely(lld)) {
- spin_lock(&de->d_lock);
- if (likely(!de->d_fsdata)) {
- de->d_fsdata = lld;
- __d_lustre_invalidate(de);
- } else {
- kfree(lld);
- }
- spin_unlock(&de->d_lock);
- } else {
- return -ENOMEM;
- }
- }
- LASSERT(de->d_op == &ll_d_ops);
-
+ struct ll_dentry_data *lld = kzalloc(sizeof(*lld), GFP_KERNEL);
+ if (unlikely(!lld))
+ return -ENOMEM;
+ lld->lld_invalid = 1;
+ de->d_fsdata = lld;
return 0;
}
@@ -300,6 +280,7 @@ static int ll_revalidate_nd(struct dentry *dentry, unsigned int flags)
}
const struct dentry_operations ll_d_ops = {
+ .d_init = ll_d_init,
.d_revalidate = ll_revalidate_nd,
.d_release = ll_release,
.d_delete = ll_ddelete,
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index 4bc551279aa4..507c6039b7a9 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -801,7 +801,6 @@ int ll_hsm_release(struct inode *inode);
/* llite/dcache.c */
-int ll_d_init(struct dentry *de);
extern const struct dentry_operations ll_d_ops;
void ll_intent_drop_lock(struct lookup_intent *);
void ll_intent_release(struct lookup_intent *);
@@ -1189,7 +1188,7 @@ dentry_may_statahead(struct inode *dir, struct dentry *dentry)
* 'lld_sa_generation == lli->lli_sa_generation'.
*/
ldd = ll_d2d(dentry);
- if (ldd && ldd->lld_sa_generation == lli->lli_sa_generation)
+ if (ldd->lld_sa_generation == lli->lli_sa_generation)
return false;
return true;
@@ -1317,17 +1316,7 @@ static inline void ll_set_lock_data(struct obd_export *exp, struct inode *inode,
static inline int d_lustre_invalid(const struct dentry *dentry)
{
- struct ll_dentry_data *lld = ll_d2d(dentry);
-
- return !lld || lld->lld_invalid;
-}
-
-static inline void __d_lustre_invalidate(struct dentry *dentry)
-{
- struct ll_dentry_data *lld = ll_d2d(dentry);
-
- if (lld)
- lld->lld_invalid = 1;
+ return ll_d2d(dentry)->lld_invalid;
}
/*
@@ -1343,7 +1332,7 @@ static inline void d_lustre_invalidate(struct dentry *dentry, int nested)
spin_lock_nested(&dentry->d_lock,
nested ? DENTRY_D_LOCK_NESTED : DENTRY_D_LOCK_NORMAL);
- __d_lustre_invalidate(dentry);
+ ll_d2d(dentry)->lld_invalid = 1;
/*
* We should be careful about dentries created by d_obtain_alias().
* These dentries are not put in the dentry tree, instead they are
diff --git a/drivers/staging/lustre/lustre/llite/llite_nfs.c b/drivers/staging/lustre/lustre/llite/llite_nfs.c
index 709230571b4b..2ad9dc2665f3 100644
--- a/drivers/staging/lustre/lustre/llite/llite_nfs.c
+++ b/drivers/staging/lustre/lustre/llite/llite_nfs.c
@@ -169,22 +169,12 @@ ll_iget_for_nfs(struct super_block *sb, struct lu_fid *fid, struct lu_fid *paren
/* N.B. d_obtain_alias() drops inode ref on error */
result = d_obtain_alias(inode);
if (!IS_ERR(result)) {
- int rc;
-
- rc = ll_d_init(result);
- if (rc < 0) {
- dput(result);
- result = ERR_PTR(rc);
- } else {
- struct ll_dentry_data *ldd = ll_d2d(result);
-
- /*
- * Need to signal to the ll_intent_file_open that
- * we came from NFS and so opencache needs to be
- * enabled for this one
- */
- ldd->lld_nfs_dentry = 1;
- }
+ /*
+ * Need to signal to the ll_intent_file_open that
+ * we came from NFS and so opencache needs to be
+ * enabled for this one
+ */
+ ll_d2d(result)->lld_nfs_dentry = 1;
}
return result;
diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
index 180f35e3afd9..31a771319cbc 100644
--- a/drivers/staging/lustre/lustre/llite/namei.c
+++ b/drivers/staging/lustre/lustre/llite/namei.c
@@ -395,17 +395,9 @@ static struct dentry *ll_find_alias(struct inode *inode, struct dentry *dentry)
*/
struct dentry *ll_splice_alias(struct inode *inode, struct dentry *de)
{
- struct dentry *new;
- int rc;
-
if (inode) {
- new = ll_find_alias(inode, de);
+ struct dentry *new = ll_find_alias(inode, de);
if (new) {
- rc = ll_d_init(new);
- if (rc < 0) {
- dput(new);
- return ERR_PTR(rc);
- }
d_move(new, de);
iput(inode);
CDEBUG(D_DENTRY,
@@ -414,9 +406,6 @@ struct dentry *ll_splice_alias(struct inode *inode, struct dentry *de)
return new;
}
}
- rc = ll_d_init(de);
- if (rc < 0)
- return ERR_PTR(rc);
d_add(de, inode);
CDEBUG(D_DENTRY, "Add dentry %p inode %p refc %d flags %#x\n",
de, d_inode(de), d_count(de), de->d_flags);
diff --git a/drivers/staging/lustre/lustre/llite/statahead.c b/drivers/staging/lustre/lustre/llite/statahead.c
index 0677513476ec..166323fddc44 100644
--- a/drivers/staging/lustre/lustre/llite/statahead.c
+++ b/drivers/staging/lustre/lustre/llite/statahead.c
@@ -1513,9 +1513,7 @@ out_unplug:
*/
ldd = ll_d2d(*dentryp);
lli = ll_i2info(dir);
- /* ldd can be NULL if llite lookup failed. */
- if (ldd)
- ldd->lld_sa_generation = lli->lli_sa_generation;
+ ldd->lld_sa_generation = lli->lli_sa_generation;
sa_put(sai, entry);
return rc;
}
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 17989b72cdae..0bfd1e25b431 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -949,7 +949,7 @@ static ssize_t ffs_epfile_io(struct file *file, struct ffs_io_data *io_data)
goto error_mutex;
}
if (!io_data->read &&
- copy_from_iter(data, data_len, &io_data->data) != data_len) {
+ !copy_from_iter_full(data, data_len, &io_data->data)) {
ret = -EFAULT;
goto error_mutex;
}
diff --git a/drivers/usb/gadget/legacy/inode.c b/drivers/usb/gadget/legacy/inode.c
index bd82dd12deff..10b2576f8b6a 100644
--- a/drivers/usb/gadget/legacy/inode.c
+++ b/drivers/usb/gadget/legacy/inode.c
@@ -667,7 +667,7 @@ ep_write_iter(struct kiocb *iocb, struct iov_iter *from)
return -ENOMEM;
}
- if (unlikely(copy_from_iter(buf, len, from) != len)) {
+ if (unlikely(!copy_from_iter_full(buf, len, from))) {
value = -EFAULT;
goto out;
}
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c
index 6e29d053843d..b296985fda0d 100644
--- a/drivers/vhost/scsi.c
+++ b/drivers/vhost/scsi.c
@@ -922,8 +922,7 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
*/
iov_iter_init(&out_iter, WRITE, vq->iov, out, out_size);
- ret = copy_from_iter(req, req_size, &out_iter);
- if (unlikely(ret != req_size)) {
+ if (unlikely(!copy_from_iter_full(req, req_size, &out_iter))) {
vq_err(vq, "Faulted on copy_from_iter\n");
vhost_scsi_send_bad_target(vs, vq, head, out);
continue;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index c6f2d89c0e97..06e8b81b6253 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1862,8 +1862,7 @@ static int get_indirect(struct vhost_virtqueue *vq,
i, count);
return -EINVAL;
}
- if (unlikely(copy_from_iter(&desc, sizeof(desc), &from) !=
- sizeof(desc))) {
+ if (unlikely(!copy_from_iter_full(&desc, sizeof(desc), &from))) {
vq_err(vq, "Failed indirect descriptor: idx %d, %zx\n",
i, (size_t)vhost64_to_cpu(vq, indirect->addr) + i * sizeof desc);
return -EINVAL;
generated by cgit v1.2.3-70-g09d2 (git 2.48.1) at 2025-03-27 06:57:36 +0000