linux-kernel - [PATCH] 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>] [day] [month] [year] [list]

Date:   Fri, 25 Dec 2020 08:38:18 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     mchehab@...nel.org, sakari.ailus@...ux.intel.com,
        gregkh@...uxfoundation.org, linux-media@...r.kernel.org,
        devel@...verdev.osuosl.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] media: atomisp: Remove redundant NULL check

Fix 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.

Signed-off-by: Xu Wang <vulab@...as.ac.cn>
---
 .../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 e861777385a0..823ec54b6281 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 @@ ia_css_isp_param_destroy_isp_parameters(
 
 	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;
-- 
2.17.1