diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2010-01-25 06:16:19 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-02-09 04:50:46 -0800 |
| commit | 26d2257801281a5bd2833d8f22cebead57a4b4c6 (patch) | |
| tree | 15833d8f1b4837d8095e1580b0a8b09e70421d5b | |
| parent | deb20f1c49d390d3fcb62fa9789486f170054004 (diff) | |
fix oops in fs/9p late mount failure
commit 083c73c253c23c20359a344dfe1198ea628e6259 upstream.
if 9P ->get_sb() fails late (at root inode or root dentry
allocation), we'll hit its ->kill_sb() with NULL ->s_root
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | fs/9p/vfs_super.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index 14a86448572c..69357c0d9899 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -188,7 +188,8 @@ static void v9fs_kill_super(struct super_block *s) P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s); - v9fs_dentry_release(s->s_root); /* clunk root */ + if (s->s_root) + v9fs_dentry_release(s->s_root); /* clunk root */ kill_anon_super(s); |