update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/drivers/media/usb/pvrusb2/pvrusb2-sysfs.c
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@@ -1,17 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *
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- *
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  *  Copyright (C) 2005 Mike Isely <isely@pobox.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
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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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  */
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 #include <linux/string.h>
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@@ -802,7 +792,8 @@
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 void pvr2_sysfs_class_destroy(struct pvr2_sysfs_class *clp)
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 {
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 	pvr2_sysfs_trace("Unregistering pvr2_sysfs_class id=%p", clp);
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-	class_unregister(&clp->class);
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+	if (clp)
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+		class_unregister(&clp->class);
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 }
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