linux-kernel - [PATCH 1/1] media: platform: sti: return -ENOMEM on errors

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Message-Id: <1480768773-5926-1-git-send-email-bianpan201602@163.com>
Date:   Sat,  3 Dec 2016 20:39:33 +0800
From:   Pan Bian <bianpan201602@....com>
To:     Fabien Dessenne <fabien.dessenne@...com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        linux-media@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Pan Bian <bianpan2016@....com>
Subject: [PATCH 1/1] media: platform: sti: return -ENOMEM on errors

From: Pan Bian <bianpan2016@....com>

Function bdisp_debugfs_create() returns 0 even on errors. So its caller
cannot detect the errors. It may be better to return "-ENOMEM" on the
exception paths.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188801

Signed-off-by: Pan Bian <bianpan2016@....com>
---
 drivers/media/platform/sti/bdisp/bdisp-debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/sti/bdisp/bdisp-debug.c b/drivers/media/platform/sti/bdisp/bdisp-debug.c
index 79c5635..7af6686 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-debug.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-debug.c
@@ -677,7 +677,7 @@ int bdisp_debugfs_create(struct bdisp_dev *bdisp)
 
 err:
 	bdisp_debugfs_remove(bdisp);
-	return 0;
+	return -ENOMEM;
 }
 
 void bdisp_debugfs_remove(struct bdisp_dev *bdisp)
-- 
1.9.1