Commit 083c73c2 authored Jan 25, 2010 by Al Viro

fix oops in fs/9p late mount failure



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>

parent 7e32b7bb

fs/9p/vfs_super.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -188,6 +188,7 @@ static void v9fs_kill_super(struct super_block *s)

		P9_DPRINTK(P9_DEBUG_VFS, " %p\n", s);

		if (s->s_root)
		v9fs_dentry_release(s->s_root); /* clunk root */

		kill_anon_super(s);