[PATCH] 9p: handle sget() failure
Handle a failing sget() in v9fs_get_sb().
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index b0a0ae5..61c599b 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -127,12 +127,13 @@
if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
dprintk(DEBUG_ERROR, "problem initiating session\n");
- kfree(v9ses);
- return ERR_PTR(newfid);
+ sb = ERR_PTR(newfid);
+ goto out_free_session;
}
sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
-
+ if (IS_ERR(sb))
+ goto out_close_session;
v9fs_fill_super(sb, v9ses, flags);
inode = v9fs_get_inode(sb, S_IFDIR | mode);
@@ -185,6 +186,12 @@
return sb;
+out_close_session:
+ v9fs_session_close(v9ses);
+out_free_session:
+ kfree(v9ses);
+ return sb;
+
put_back_sb:
/* deactivate_super calls v9fs_kill_super which will frees the rest */
up_write(&sb->s_umount);