[PATCH] xen/arm: use BUG_ON

Himangi Saraogi himangi774 at gmail.com
Tue Jul 8 15:26:34 PDT 2014


Use BUG_ON(x) rather than if(x) BUG();

The semantic patch that fixes this problem is as follows:

// <smpl>
@@ identifier x; @@
-if (x) BUG();
+BUG_ON(x);
// </smpl>

Signed-off-by: Himangi Saraogi <himangi774 at gmail.com>
---
 arch/arm/xen/enlighten.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 1e63243..98544c5 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -181,8 +181,7 @@ static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)
 	struct sched_shutdown r = { .reason = SHUTDOWN_reboot };
 	int rc;
 	rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
-	if (rc)
-		BUG();
+	BUG_ON(rc);
 }
 
 static void xen_power_off(void)
@@ -190,8 +189,7 @@ static void xen_power_off(void)
 	struct sched_shutdown r = { .reason = SHUTDOWN_poweroff };
 	int rc;
 	rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
-	if (rc)
-		BUG();
+	BUG_ON(rc);
 }
 
 static int xen_cpu_notification(struct notifier_block *self,
-- 
1.9.1




More information about the linux-arm-kernel mailing list