linux-kernel - [PATCH 1/3] media: atomisp: remove redundant NULL check

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Message-Id: <1611220312-89384-1-git-send-email-abaci-bugfix@linux.alibaba.com>
Date:   Thu, 21 Jan 2021 17:11:50 +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 1/3] media: atomisp: remove redundant NULL check

Fix below warnings reported by coccicheck:
./drivers/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c:159:4-10:
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/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c b/drivers/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c
index e861777..823ec54 100644
--- a/drivers/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c
+++ b/drivers/staging/media/atomisp/pci/runtime/isp_param/src/isp_param.c
@@ -155,8 +155,7 @@
 
 	for (mem = 0; mem < IA_CSS_NUM_MEMORIES; mem++) {
 		for (pclass = 0; pclass < IA_CSS_NUM_PARAM_CLASSES; pclass++) {
-			if (mem_params->params[pclass][mem].address)
-				kvfree(mem_params->params[pclass][mem].address);
+			kvfree(mem_params->params[pclass][mem].address);
 			if (css_params->params[pclass][mem].address)
 				hmm_free(css_params->params[pclass][mem].address);
 			mem_params->params[pclass][mem].address = NULL;
-- 
1.8.3.1