linux-kernel - [PATCH] usb: gadget: uvc: Fix return value in case of error

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Message-Id: <1468652680-15781-1-git-send-email-christophe.jaillet@wanadoo.fr>
Date:	Sat, 16 Jul 2016 09:04:40 +0200
From:	Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:	laurent.pinchart@...asonboard.com, balbi@...nel.org,
	gregkh@...uxfoundation.org
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] usb: gadget: uvc: Fix return value in case of error

If this memory allocation fail, we will return 0, which means success.
Return -ENOMEM instead.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/usb/gadget/function/uvc_configfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 66753ba..31125a4 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -2023,7 +2023,7 @@ static int uvcg_streaming_class_allow_link(struct config_item *src,
 	if (!data) {
 		kfree(*class_array);
 		*class_array = NULL;
-		ret = PTR_ERR(data);
+		ret = -ENOMEM;
 		goto unlock;
 	}
 	cl_arr = *class_array;
-- 
2.7.4


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