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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 21 Jan 2021 17:11:52 +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 3/3] media: atomisp: remove redundant NULL check

Fix below warnings reported by coccicheck:
./drivers/staging/media/atomisp/pci/atomisp_cmd.c:4269:2-8: WARNING:
NULL check before some freeing functions is not needed.
./drivers/staging/media/atomisp/pci/atomisp_cmd.c:4626:2-8: 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/staging/media/atomisp/pci/atomisp_cmd.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/atomisp_cmd.c b/drivers/staging/media/atomisp/pci/atomisp_cmd.c
index 592ea99..72a6cac 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_cmd.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_cmd.c
@@ -4265,8 +4265,7 @@ int atomisp_set_parameters(struct video_device *vdev,
 apply_parameter_failed:
 	if (css_param)
 		atomisp_free_css_parameters(css_param);
-	if (param)
-		kvfree(param);
+	kvfree(param);
 
 	return ret;
 }
@@ -4626,8 +4625,7 @@ int atomisp_fixed_pattern(struct atomisp_sub_device *asd, int flag,
 err:
 	if (ret && res)
 		ia_css_frame_free(res);
-	if (tmp_buf)
-		vfree(tmp_buf);
+	vfree(tmp_buf);
 	if (ret == 0)
 		*result = res;
 	return ret;
-- 
1.8.3.1