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

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Date:   Fri, 30 Jul 2021 18:29:59 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     chris@...kel.net
Cc:     jcmvbkbc@...il.com, linux-xtensa@...ux-xtensa.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] xtensa: ISS: Fix warning comparing pointer to 0

Fix the following coccicheck warning:

./arch/xtensa/platforms/iss/console.c:204:10-11: WARNING comparing
pointer to 0.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 arch/xtensa/platforms/iss/console.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c
index 81f9889..92d4624 100644
--- a/arch/xtensa/platforms/iss/console.c
+++ b/arch/xtensa/platforms/iss/console.c
@@ -201,7 +201,7 @@ static void iss_console_write(struct console *co, const char *s, unsigned count)
 {
 	int len = strlen(s);
 
-	if (s != 0 && *s != 0)
+	if (s && *s != 0)
 		simc_write(1, s, count < len ? count : len);
 }
 
-- 
1.8.3.1