linux-arm-kernel.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
* [PATCH] media: aspeed: Fix return value check in aspeed_video_debugfs_create()
@ 2022-11-25  9:24 Zheng Yongjun
  0 siblings, 0 replies; only message in thread
From: Zheng Yongjun @ 2022-11-25  9:24 UTC (permalink / raw)
  To: eajames, mchehab, linux-media, openbmc, linux-arm-kernel,
	linux-aspeed, linux-kernel
  Cc: joel, andrew

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@huawei.com>
---
 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..c8fc2450e409 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 ERR_PTR(debugfs_entry);
+	}

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


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] only message in thread

only message in thread, other threads:[~2022-11-25  9:31 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-11-25  9:24 [PATCH] media: aspeed: Fix return value check in aspeed_video_debugfs_create() Zheng Yongjun

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).