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usb: gadget: uvc: Fix the wrong v4l2_device_unregister call 

If an error occurred before calling the 'v4l2_device_register' func,
and then goto error, but no need to call 'v4l2_device_unregister'
func.

Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
zero-sugar-mainline-defconfig
Zqiang 2020-09-27 16:01:16 +08:00 committed by Felipe Balbi
parent 7f2958d9ad
commit f0c485663d
1 changed files with 4 additions and 4 deletions
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8
drivers/usb/gadget/function/f_uvc.c
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@ -740,20 +740,20 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
/* Initialise video. */
ret = uvcg_video_init(&uvc->video, uvc);
if (ret < 0)
goto error;
goto v4l2_error;
/* Register a V4L2 device. */
ret = uvc_register_video(uvc);
if (ret < 0) {
uvcg_err(f, "failed to register video device\n");
goto error;
goto v4l2_error;
}
return 0;
error:
v4l2_error:
v4l2_device_unregister(&uvc->v4l2_dev);
error:
if (uvc->control_req)
usb_ep_free_request(cdev->gadget->ep0, uvc->control_req);
kfree(uvc->control_buf);