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| author | Christoph Hellwig <hch@lst.de> | 2021-08-25 07:42:44 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-08-25 07:42:44 +0200 |
| commit | 417b962ddeca2b70eb72d28c87541bdad4e234f8 (patch) | |
| tree | 1b49f30213eb43714fd43c25df983f86b32695e7 /fs/configfs | |
| parent | 769f52676756b8c5feb302d2d95af59577fc69ec (diff) | |
| download | linux-417b962ddeca2b70eb72d28c87541bdad4e234f8.tar.bz2 | |
configfs: return -ENAMETOOLONG earlier in configfs_lookup
Just like most other file systems: get the simple checks out of the
way first.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/configfs')
| -rw-r--r-- | fs/configfs/dir.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index ac5e0c0e9181..cf08bbde55f3 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -456,6 +456,9 @@ static struct dentry * configfs_lookup(struct inode *dir, int found = 0; int err; + if (dentry->d_name.len > NAME_MAX) + return ERR_PTR(-ENAMETOOLONG); + /* * Fake invisibility if dir belongs to a group/default groups hierarchy * being attached @@ -486,8 +489,6 @@ static struct dentry * configfs_lookup(struct inode *dir, * If it doesn't exist and it isn't a NOT_PINNED item, * it must be negative. */ - if (dentry->d_name.len > NAME_MAX) - return ERR_PTR(-ENAMETOOLONG); d_add(dentry, NULL); return NULL; } |