[PATCH 4.4 40/67] grace: replace BUG_ON by WARN_ONCE in exit_net hook

From: Greg Kroah-Hartman
Date: Fri Feb 02 2018 - 13:30:05 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Vasily Averin <vvs@xxxxxxxxxxxxx>


[ Upstream commit b872285751c1af010e12d02bce7069e2061a58ca ]

Signed-off-by: Vasily Averin <vvs@xxxxxxxxxxxxx>
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/nfs_common/grace.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

--- 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 = {