linux-kernel - [PATCH v2] sched: replace if (cond) BUG() with WARN

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Date:   Wed, 17 Mar 2021 15:33:39 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     jk@...abs.org
Cc:     arnd@...db.de, mpe@...erman.id.au, benh@...nel.crashing.org,
        paulus@...ba.org, linuxppc-dev@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH v2] sched: replace if (cond) BUG() with WARN_ON()

Fix the following coccicheck warnings:

./arch/powerpc/platforms/cell/spufs/sched.c:908:2-5: WARNING: Use BUG_ON
instead of if condition followed by BUG.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
Changes in v2:
  - replace BUG with WARN_ON.

 arch/powerpc/platforms/cell/spufs/sched.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 3692064..1031448 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -904,8 +904,7 @@ static noinline void spusched_tick(struct spu_context *ctx)
 	struct spu_context *new = NULL;
 	struct spu *spu = NULL;
 
-	if (spu_acquire(ctx))
-		BUG();	/* a kernel thread never has signals pending */
+	WARN_ON(spu_acquire(ctx));	/* a kernel thread never has signals pending */
 
 	if (ctx->state != SPU_STATE_RUNNABLE)
 		goto out;
-- 
1.8.3.1