diff options
| author |   Ian Kent <raven@themaw.net> | 2005-06-21 17:16:38 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-21 19:07:35 -0700 |
| commit | 9b1e3afd6d56937ced3914971621d0f053ea9178 (patch) | |
| tree | 059762a20c069273247b423b6075adcd89624e42 /fs/autofs4/expire.c | |
| parent | [PATCH] ibmasm driver: fix race in command refcount logic (diff) | |
| download | linux-dev-9b1e3afd6d56937ced3914971621d0f053ea9178.tar.xz linux-dev-9b1e3afd6d56937ced3914971621d0f053ea9178.zip | |
[PATCH] autofs4: avoid panic on bind mount of autofs owned directory
While this is not a solution to bind and move mounts on autofs owned
directories it is necessary to fix the trady error handling.
At least it avoids the kernel panic I observed checking out bug #4589.
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/autofs4/expire.c')
| -rw-r--r-- | fs/autofs4/expire.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index 500425e24fba..feb6ac427d05 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -56,12 +56,9 @@ static int autofs4_check_mount(struct vfsmount *mnt, struct dentry *dentry) mntget(mnt); dget(dentry); - if (!follow_down(&mnt, &dentry)) + if (!autofs4_follow_mount(&mnt, &dentry)) goto done; - while (d_mountpoint(dentry) && follow_down(&mnt, &dentry)) - ; - /* This is an autofs submount, we can't expire it */ if (is_autofs4_dentry(dentry)) goto done; |