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-rw-r--r--fs/btrfs/inode.c8
-rw-r--r--fs/dcache.c3
-rw-r--r--fs/efs/namei.c7
-rw-r--r--fs/exofs/namei.c7
-rw-r--r--fs/ext2/namei.c14
-rw-r--r--fs/ext3/namei.c14
-rw-r--r--fs/ext4/namei.c14
-rw-r--r--fs/fat/namei_msdos.c29
-rw-r--r--fs/isofs/namei.c11
-rw-r--r--fs/jffs2/dir.c4
-rw-r--r--fs/jfs/namei.c4
-rw-r--r--fs/logfs/dir.c4
-rw-r--r--fs/nilfs2/namei.c7
-rw-r--r--fs/squashfs/namei.c5
-rw-r--r--fs/ufs/namei.c2
15 files changed, 39 insertions, 94 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ecf0fac..bcb20a9 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4079,13 +4079,7 @@ static int btrfs_dentry_delete(const struct dentry *dentry)
static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry,
struct nameidata *nd)
{
- struct inode *inode;
-
- inode = btrfs_lookup_dentry(dir, dentry);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
-
- return d_splice_alias(inode, dentry);
+ return d_splice_alias(btrfs_lookup_dentry(dir, dentry), dentry);
}
unsigned char btrfs_filetype_table[] = {
diff --git a/fs/dcache.c b/fs/dcache.c
index c61edd0..41e2085 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1652,6 +1652,9 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
{
struct dentry *new = NULL;
+ if (IS_ERR(inode))
+ return ERR_CAST(inode);
+
if (inode && S_ISDIR(inode->i_mode)) {
spin_lock(&inode->i_lock);
new = __d_find_alias(inode, 1);
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 1511bf9..832b10d 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -60,14 +60,11 @@ static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len)
struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) {
efs_ino_t inodenum;
- struct inode * inode = NULL;
+ struct inode *inode = NULL;
inodenum = efs_find_entry(dir, dentry->d_name.name, dentry->d_name.len);
- if (inodenum) {
+ if (inodenum)
inode = efs_iget(dir->i_sb, inodenum);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
- }
return d_splice_alias(inode, dentry);
}
diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c
index 4d70db1..b54c437 100644
--- a/fs/exofs/namei.c
+++ b/fs/exofs/namei.c
@@ -55,12 +55,7 @@ static struct dentry *exofs_lookup(struct inode *dir, struct dentry *dentry,
return ERR_PTR(-ENAMETOOLONG);
ino = exofs_inode_by_name(dir, dentry);
- inode = NULL;
- if (ino) {
- inode = exofs_iget(dir->i_sb, ino);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
- }
+ inode = ino ? exofs_iget(dir->i_sb, ino) : NULL;
return d_splice_alias(inode, dentry);
}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index ed5c5d4..d60b709 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -67,15 +67,11 @@ static struct dentry *ext2_lookup(struct inode * dir, struct dentry *dentry, str
inode = NULL;
if (ino) {
inode = ext2_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- if (PTR_ERR(inode) == -ESTALE) {
- ext2_error(dir->i_sb, __func__,
- "deleted inode referenced: %lu",
- (unsigned long) ino);
- return ERR_PTR(-EIO);
- } else {
- return ERR_CAST(inode);
- }
+ if (inode == ERR_PTR(-ESTALE)) {
+ ext2_error(dir->i_sb, __func__,
+ "deleted inode referenced: %lu",
+ (unsigned long) ino);
+ return ERR_PTR(-EIO);
}
}
return d_splice_alias(inode, dentry);
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 34b6d9b..c095cf5 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1038,15 +1038,11 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
return ERR_PTR(-EIO);
}
inode = ext3_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- if (PTR_ERR(inode) == -ESTALE) {
- ext3_error(dir->i_sb, __func__,
- "deleted inode referenced: %lu",
- ino);
- return ERR_PTR(-EIO);
- } else {
- return ERR_CAST(inode);
- }
+ if (inode == ERR_PTR(-ESTALE)) {
+ ext3_error(dir->i_sb, __func__,
+ "deleted inode referenced: %lu",
+ ino);
+ return ERR_PTR(-EIO);
}
}
return d_splice_alias(inode, dentry);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index b754b77..707d605 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1037,15 +1037,11 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
return ERR_PTR(-EIO);
}
inode = ext4_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
- if (PTR_ERR(inode) == -ESTALE) {
- EXT4_ERROR_INODE(dir,
- "deleted inode referenced: %u",
- ino);
- return ERR_PTR(-EIO);
- } else {
- return ERR_CAST(inode);
- }
+ if (inode == ERR_PTR(-ESTALE)) {
+ EXT4_ERROR_INODE(dir,
+ "deleted inode referenced: %u",
+ ino);
+ return ERR_PTR(-EIO);
}
}
return d_splice_alias(inode, dentry);
diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c
index 3b222da..66e83b8 100644
--- a/fs/fat/namei_msdos.c
+++ b/fs/fat/namei_msdos.c
@@ -209,29 +209,20 @@ static struct dentry *msdos_lookup(struct inode *dir, struct dentry *dentry,
int err;
lock_super(sb);
-
err = msdos_find(dir, dentry->d_name.name, dentry->d_name.len, &sinfo);
- if (err) {
- if (err == -ENOENT) {
- inode = NULL;
- goto out;
- }
- goto error;
- }
-
- inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
- brelse(sinfo.bh);
- if (IS_ERR(inode)) {
- err = PTR_ERR(inode);
- goto error;
+ switch (err) {
+ case -ENOENT:
+ inode = NULL;
+ break;
+ case 0:
+ inode = fat_build_inode(sb, sinfo.de, sinfo.i_pos);
+ brelse(sinfo.bh);
+ break;
+ default:
+ inode = ERR_PTR(err);
}
-out:
unlock_super(sb);
return d_splice_alias(inode, dentry);
-
-error:
- unlock_super(sb);
- return ERR_PTR(err);
}
/***** Creates a directory entry (name is already formatted). */
diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index 4fb3e80..68fa503 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -183,14 +183,9 @@ struct dentry *isofs_lookup(struct inode *dir, struct dentry *dentry, struct nam
1024 + page_address(page));
__free_page(page);
- inode = NULL;
- if (found) {
- inode = isofs_iget(dir->i_sb, block, offset);
- if (IS_ERR(inode)) {
- mutex_unlock(&sbi->s_mutex);
- return ERR_CAST(inode);
- }
- }
+ inode = found ? isofs_iget(dir->i_sb, block, offset) : NULL;
+
mutex_unlock(&sbi->s_mutex);
+
return d_splice_alias(inode, dentry);
}
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 4bca6a2..8f40ce4 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -102,10 +102,8 @@ static struct dentry *jffs2_lookup(struct inode *dir_i, struct dentry *target,
mutex_unlock(&dir_f->sem);
if (ino) {
inode = jffs2_iget(dir_i->i_sb, ino);
- if (IS_ERR(inode)) {
+ if (IS_ERR(inode))
printk(KERN_WARNING "iget() failed for ino #%u\n", ino);
- return ERR_CAST(inode);
- }
}
return d_splice_alias(inode, target);
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 1da0dc7..2473315 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1481,10 +1481,8 @@ static struct dentry *jfs_lookup(struct inode *dip, struct dentry *dentry, struc
}
ip = jfs_iget(dip->i_sb, inum);
- if (IS_ERR(ip)) {
+ if (IS_ERR(ip))
jfs_err("jfs_lookup: iget failed on inum %d", (uint) inum);
- return ERR_CAST(ip);
- }
return d_splice_alias(ip, dentry);
}
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
index 1afae26..b3ff3d8 100644
--- a/fs/logfs/dir.c
+++ b/fs/logfs/dir.c
@@ -371,11 +371,9 @@ static struct dentry *logfs_lookup(struct inode *dir, struct dentry *dentry,
page_cache_release(page);
inode = logfs_iget(dir->i_sb, ino);
- if (IS_ERR(inode)) {
+ if (IS_ERR(inode))
printk(KERN_ERR"LogFS: Cannot read inode #%llx for dentry (%lx, %lx)n",
ino, dir->i_ino, index);
- return ERR_CAST(inode);
- }
return d_splice_alias(inode, dentry);
}
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 546849b..a314199 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -72,12 +72,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
return ERR_PTR(-ENAMETOOLONG);
ino = nilfs_inode_by_name(dir, &dentry->d_name);
- inode = NULL;
- if (ino) {
- inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
- }
+ inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL;
return d_splice_alias(inode, dentry);
}
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c
index 51b3695..0682b38 100644
--- a/fs/squashfs/namei.c
+++ b/fs/squashfs/namei.c
@@ -220,11 +220,6 @@ static struct dentry *squashfs_lookup(struct inode *dir, struct dentry *dentry,
blk, off, ino_num);
inode = squashfs_iget(dir->i_sb, ino, ino_num);
- if (IS_ERR(inode)) {
- err = PTR_ERR(inode);
- goto failed;
- }
-
goto exit_lookup;
}
}
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index b57aab9..639d491 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -59,8 +59,6 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru
if (ino)
inode = ufs_iget(dir->i_sb, ino);
unlock_ufs(dir->i_sb);
- if (IS_ERR(inode))
- return ERR_CAST(inode);
return d_splice_alias(inode, dentry);
}
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