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

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Message-Id: <20230128093920.2729-1-jiapeng.chong@linux.alibaba.com>
Date:   Sat, 28 Jan 2023 17:39:20 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     bcain@...cinc.com
Cc:     linux-hexagon@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] trap: Fix warning comparing pointer to 0

Avoid pointer type value compared with 0 to make code clear.

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

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3860
Signed-off-by: Jiapeng Chong <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 6447763ce5a9..fdbbf78b4ce0 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);
 
-- 
2.20.1.7.g153144c