linux-kernel - [PATCH] media: platform: remove redundant null pointer check before of_node

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-next>] [day] [month] [year] [list]

Message-ID: <1537103811-63670-1-git-send-email-zhongjiang@huawei.com>
Date:   Sun, 16 Sep 2018 21:16:51 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <mchehab@...nel.org>
CC:     <bparrot@...com>, <linux-media@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: platform: remove redundant null pointer check before of_node_put

of_node_put has taken the null pinter check into account. So it is
safe to remove the duplicated check before of_node_put.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/media/platform/ti-vpe/cal.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index cc052b2..5f9d4e0 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -1747,14 +1747,10 @@ static int of_cal_create_instance(struct cal_ctx *ctx, int inst)
 	}
 
 cleanup_exit:
-	if (remote_ep)
-		of_node_put(remote_ep);
-	if (sensor_node)
-		of_node_put(sensor_node);
-	if (ep_node)
-		of_node_put(ep_node);
-	if (port)
-		of_node_put(port);
+	of_node_put(remote_ep);
+	of_node_put(sensor_node);
+	of_node_put(ep_node);
+	of_node_put(port);
 
 	return ret;
 }
-- 
1.7.12.4