linux-kernel - [PATCH] scsi: megaraid_sas: remove redundant NULL check

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Message-Id: <1611307424-109090-1-git-send-email-abaci-bugfix@linux.alibaba.com>
Date:   Fri, 22 Jan 2021 17:23:44 +0800
From:   Yang Li <abaci-bugfix@...ux.alibaba.com>
To:     mchehab@...nel.org
Cc:     sakari.ailus@...ux.intel.com, gregkh@...uxfoundation.org,
        linux-media@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Yang Li <abaci-bugfix@...ux.alibaba.com>
Subject: [PATCH] scsi: megaraid_sas: remove redundant NULL check

Fix below warnings reported by coccicheck:
./drivers/scsi/megaraid/megaraid_sas_fusion.c:3924:3-8: WARNING: NULL
check before some freeing functions is not needed.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <abaci-bugfix@...ux.alibaba.com>
---
 drivers/scsi/megaraid/megaraid_sas_fusion.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index fd60728..38fc946 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -3920,8 +3920,7 @@ static irqreturn_t megasas_isr_fusion(int irq, void *devp)
 {
 	unsigned int i;
 	for (i = 0; i < instance->drv_buf_alloc; i++) {
-		if (instance->crash_buf[i])
-			vfree(instance->crash_buf[i]);
+		vfree(instance->crash_buf[i]);
 	}
 	instance->drv_buf_index = 0;
 	instance->drv_buf_alloc = 0;
-- 
1.8.3.1