X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fpnode.c;h=9af0df15256e9405082fdb59d1a2c6fe97fb8e59;hb=27eb2c4b3d3e13f376a359e293c212a2e9407af5;hp=3d2a7141b87a4b38a1aea383a68810ada1271404;hpb=4f81d715b90b7ebe049dd906511c47956086ad44;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/pnode.c b/fs/pnode.c
index 3d2a7141b87a..9af0df15256e 100644
--- 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);