[PATCH] xen/evtchn: replace if (cond) BUG() with BUG_ON()

[Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>]

Fix the following coccicheck warnings:

./drivers/xen/evtchn.c:412:2-5: WARNING: Use BUG_ON instead of if
condition followed by BUG.

Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
Signed-off-by: Jiapeng Chong <jiapeng.chong@xxxxxxxxxxxxxxxxx>
---
 drivers/xen/evtchn.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index c99415a..b1c59bc 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -408,8 +408,7 @@ static int evtchn_bind_to_user(struct per_user_data *u, 
evtchn_port_t port)
 err:
        /* bind failed, should close the port now */
        close.port = port;
-       if (HYPERVISOR_event_channel_op(EVTCHNOP_close, &close) != 0)
-               BUG();
+       BUG_ON(HYPERVISOR_event_channel_op(EVTCHNOP_close, &close) != 0);
        del_evtchn(u, evtchn);
        return rc;
 }
-- 
1.8.3.1