linux-kernel - [PATCH] trap: Fix warning comparing pointer to 0

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Date:   Mon,  6 Sep 2021 17:33:14 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     bcain@...eaurora.org
Cc:     linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org,
        chongjiapeng <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] trap: Fix warning comparing pointer to 0

From: chongjiapeng <jiapeng.chong@...ux.alibaba.com>

Fix the following coccicheck warning:

./arch/hexagon/kernel/traps.c:138:6-7: WARNING comparing pointer to 0.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: chongjiapeng <jiapeng.chong@...ux.alibaba.com>
---
 arch/hexagon/kernel/traps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
index edfc35d..3b6e0de 100644
--- a/arch/hexagon/kernel/traps.c
+++ b/arch/hexagon/kernel/traps.c
@@ -135,7 +135,7 @@ static void do_show_stack(struct task_struct *task, unsigned long *fp,
 		}
 
 		/* Attempt to continue past exception. */
-		if (0 == newfp) {
+		if (!newfp) {
 			struct pt_regs *regs = (struct pt_regs *) (((void *)fp)
 						+ 8);
 
-- 
1.8.3.1