grace: replace BUG_ON by WARN_ONCE in exit_net hook

[ Upstream commit b872285751c1af010e12d02bce7069e2061a58ca ]

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/nfs_common/grace.c b/fs/nfs_common/grace.c
index 420d3a0ab258fb2b312310e50081bbab30f2c2ae..1bd659938646cb088b0b0bc0fc766066768aa675 100644 (file)
--- a/fs/nfs_common/grace.c
+++ b/fs/nfs_common/grace.c
@@ -104,7 +104,9 @@ grace_exit_net(struct net *net)
 {
        struct list_head *grace_list = net_generic(net, grace_net_id);
 
-       BUG_ON(!list_empty(grace_list));
+       WARN_ONCE(!list_empty(grace_list),
+                 "net %x %s: grace_list is not empty\n",
+                 net->ns.inum, __func__);
 }
 
 static struct pernet_operations grace_net_ops = {