disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/media/usb/uvc/uvc_entity.c
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@@ -1,14 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *      uvc_entity.c  --  USB Video Class driver
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  *
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  *      Copyright (C) 2005-2011
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  *          Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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- *
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- *      This program is free software; you can redistribute it and/or modify
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- *      it under the terms of the GNU General Public License as published by
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- *      the Free Software Foundation; either version 2 of the License, or
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- *      (at your option) any later version.
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- *
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  */
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 #include <linux/kernel.h>
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@@ -42,7 +37,7 @@
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 			continue;
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 		remote = uvc_entity_by_id(chain->dev, entity->baSourceID[i]);
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-		if (remote == NULL)
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+		if (remote == NULL || remote->num_pads == 0)
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 			return -EINVAL;
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 		source = (UVC_ENTITY_TYPE(remote) == UVC_TT_STREAMING)
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@@ -81,7 +76,7 @@
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 		u32 function;
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 		v4l2_subdev_init(&entity->subdev, &uvc_subdev_ops);
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-		strlcpy(entity->subdev.name, entity->name,
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+		strscpy(entity->subdev.name, entity->name,
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 			sizeof(entity->subdev.name));
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 		switch (UVC_ENTITY_TYPE(entity)) {