disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/sound/usb/helper.c
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..
@@ -1,18 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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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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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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- *   You should have received a copy of the GNU General Public License
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- *   along with this program; if not, write to the Free Software
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- *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
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- *
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  */
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4
 
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 #include <linux/init.h>
..
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@@ -75,7 +62,6 @@
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 	}
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 	return NULL;
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 }
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-EXPORT_SYMBOL_GPL(snd_usb_find_csint_desc);
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65
 
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 /*
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  * Wrapper for usb_control_msg().
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@@ -89,6 +75,9 @@
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 	void *buf = NULL;
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 	int timeout;
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+	if (usb_pipe_type_check(dev, pipe))
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+		return -EINVAL;
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+
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 	if (size > 0) {
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 		buf = kmemdup(data, size, GFP_KERNEL);
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 		if (!buf)