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authorLinus Torvalds <torvalds@linux-foundation.org>2016-03-31 07:19:39 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2016-03-31 07:19:39 -0500
commite9dcfaff0105045d6bbacb7620ee13f1976ecf07 (patch)
tree226df86064dc8dd5b51ca03ce1ade33cfec682ea /fs
parentca4572042e41a1aed2139ef66b0427c1f8d10179 (diff)
parent7500c38ac3258815f86f41744a538850c3221b23 (diff)
downloadlinux-e9dcfaff0105045d6bbacb7620ee13f1976ecf07.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs fix from Al Viro. Automount handling was broken by commit e3c13928086f ("namei: massage lookup_slow() to be usable by lookup_one_len_unlocked()") moving the test for negative dentry too early. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: fix the braino in "namei: massage lookup_slow() to be usable by lookup_one_len_unlocked()"
Diffstat (limited to 'fs')
-rw-r--r--fs/namei.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 794f81dce766..1d9ca2d5dff6 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1740,15 +1740,17 @@ static int walk_component(struct nameidata *nd, int flags)
nd->flags);
if (IS_ERR(path.dentry))
return PTR_ERR(path.dentry);
- if (unlikely(d_is_negative(path.dentry))) {
- dput(path.dentry);
- return -ENOENT;
- }
+
path.mnt = nd->path.mnt;
err = follow_managed(&path, nd);
if (unlikely(err < 0))
return err;
+ if (unlikely(d_is_negative(path.dentry))) {
+ path_to_nameidata(&path, nd);
+ return -ENOENT;
+ }
+
seq = 0; /* we are already out of RCU mode */
inode = d_backing_inode(path.dentry);
}