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| author | Al Viro <viro@www.linux.org.uk> | 2005-06-06 22:36:01 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-06 23:42:24 +0200 |
| commit | d73ffe16b8baafae6e9249acee6b50c24099c6de (patch) | |
| tree | 321319974be9fcc50f4ec36ccad26b84d4b66b66 /fs | |
| parent | [PATCH] namei fixes (3/19) (diff) | |
| download | linux-d73ffe16b8baafae6e9249acee6b50c24099c6de.tar.xz linux-d73ffe16b8baafae6e9249acee6b50c24099c6de.zip | |
[PATCH] namei fixes (4/19)
path.mnt in open_namei() set to mirror nd->mnt.
nd->mnt is set in 3 places in that function - path_lookup() in the beginning,
__follow_down() loop after do_last: and __do_follow_link() call after
do_link:.
We set path.mnt to nd->mnt after path_lookup() and __do_follow_link(). In
__follow_down() loop we use &path.mnt instead of &nd->mnt and set nd->mnt to
path.mnt immediately after that loop.
Obviously equivalent transformation.
Signed-off-by: Al Viro <viro@parcelfarce.linux.theplanet.co.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/namei.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index 167f19b5e51a..e42f7c35545a 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1442,6 +1442,7 @@ int open_namei(const char * pathname, int flag, int mode, struct nameidata *nd) nd->flags &= ~LOOKUP_PARENT; down(&dir->d_inode->i_sem); path.dentry = __lookup_hash(&nd->last, nd->dentry, nd); + path.mnt = nd->mnt; do_last: error = PTR_ERR(path.dentry); @@ -1479,7 +1480,8 @@ do_last: error = -ELOOP; if (flag & O_NOFOLLOW) goto exit_dput; - while (__follow_down(&nd->mnt,&path.dentry) && d_mountpoint(path.dentry)); + while (__follow_down(&path.mnt,&path.dentry) && d_mountpoint(path.dentry)); + nd->mnt = path.mnt; } error = -ENOENT; if (!path.dentry->d_inode) @@ -1524,6 +1526,7 @@ do_link: goto exit_dput; error = __do_follow_link(path.dentry, nd); dput(path.dentry); + path.mnt = nd->mnt; if (error) return error; nd->flags &= ~LOOKUP_PARENT; |