diff options
| author | Al Viro <viro@www.linux.org.uk> | 2005-06-06 13:36:08 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-06 14:42:26 -0700 |
| commit | a15a3f6fc67d910f43098acec6e19d25a37d7cb9 (patch) | |
| tree | f00e6a3f505f2e77568695f6f5e2bd4786fcc8ca /fs/namei.c | |
| parent | 2f12dbfbb6286c725c283a169f8f05e89a86848b (diff) | |
| download | lwn-a15a3f6fc67d910f43098acec6e19d25a37d7cb9.tar.gz lwn-a15a3f6fc67d910f43098acec6e19d25a37d7cb9.zip | |
[PATCH] namei fixes (12/19)
In open_namei() we take mntput(nd->mnt);nd->mnt=path.mnt; out of the if
(__follow_mount(...)), making it conditional on nd->mnt != path.mnt instead.
Then we shift the result downstream.
Equivalent transformations.
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/namei.c')
| -rw-r--r-- | fs/namei.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c index 907a3f2b4c9c..37fcf941fa3f 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1506,8 +1506,6 @@ do_last: mntput(path.mnt); goto exit; } - mntput(nd->mnt); - nd->mnt = path.mnt; } error = -ENOENT; if (!path.dentry->d_inode) @@ -1517,6 +1515,9 @@ do_last: dput(nd->dentry); nd->dentry = path.dentry; + if (nd->mnt != path.mnt) + mntput(nd->mnt); + nd->mnt = path.mnt; error = -EISDIR; if (path.dentry->d_inode && S_ISDIR(path.dentry->d_inode->i_mode)) goto exit; @@ -1528,6 +1529,9 @@ ok: exit_dput: dput(path.dentry); + if (nd->mnt != path.mnt) + mntput(nd->mnt); + nd->mnt = path.mnt; exit: path_release(nd); return error; @@ -1550,6 +1554,9 @@ do_link: error = security_inode_follow_link(path.dentry, nd); if (error) goto exit_dput; + if (nd->mnt != path.mnt) + mntput(nd->mnt); + nd->mnt = path.mnt; error = __do_follow_link(&path, nd); if (error) return error; |