vfs: Fix invalid ida_remove() call

[~andy/linux] / fs / pnode.c

diff --git a/fs/pnode.c b/fs/pnode.c
index 3d2a7141b87a4b38a1aea383a68810ada1271404..9af0df15256e9405082fdb59d1a2c6fe97fb8e59 100644 (file)
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -83,7 +83,8 @@ static int do_make_slave(struct mount *mnt)
                if (peer_mnt == mnt)
                        peer_mnt = NULL;
        }
-       if (IS_MNT_SHARED(mnt) && list_empty(&mnt->mnt_share))
+       if (mnt->mnt_group_id && IS_MNT_SHARED(mnt) &&
+           list_empty(&mnt->mnt_share))
                mnt_release_group_id(mnt);
 
        list_del_init(&mnt->mnt_share);