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: <20221126022813.57372-1-zhengyongjun3@huawei.com>
Date:   Sat, 26 Nov 2022 02:28:13 +0000
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <eajames@...ux.ibm.com>, <mchehab@...nel.org>,
        <linux-media@...r.kernel.org>, <openbmc@...ts.ozlabs.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
CC:     <joel@....id.au>, <andrew@...id.au>
Subject: [PATCH v2] media: aspeed: Fix return value check in aspeed_video_debugfs_create()

In case of error, the function debugfs_create_file() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().

Fixes: 52fed10ad756 ("media: aspeed: add debugfs")
Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
v2:
- change return error code from ERR_PTR to PTR_ERR.
 drivers/media/platform/aspeed/aspeed-video.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/aspeed/aspeed-video.c b/drivers/media/platform/aspeed/aspeed-video.c
index 20f795ccc11b..0113e6bc836f 100644
--- a/drivers/media/platform/aspeed/aspeed-video.c
+++ b/drivers/media/platform/aspeed/aspeed-video.c
@@ -1780,10 +1780,12 @@ static int aspeed_video_debugfs_create(struct aspeed_video *video)
 	debugfs_entry = debugfs_create_file(DEVICE_NAME, 0444, NULL,
 					    video,
 					    &aspeed_video_debugfs_ops);
-	if (!debugfs_entry)
+	if (IS_ERR(debugfs_entry)) {
 		aspeed_video_debugfs_remove(video);
+		return PTR_ERR(debugfs_entry);
+	}

-	return !debugfs_entry ? -EIO : 0;
+	return 0;
 }
 #else
 static void aspeed_video_debugfs_remove(struct aspeed_video *video) { }
--
2.17.1

Powered by blists - more mailing lists