From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Sat, 16 Jul 2016 07:04:40 +0000 (+0200)
Subject: usb: gadget: uvc: Fix return value in case of error
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=bd610c5aa9fcc9817d2629274a27aab81aa77cec;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 66753ba7a42e..31125a4a2658 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;