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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/net/ieee802154/6lowpan/rx.c
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@@ -1,12 +1,4 @@
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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 version 2
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- * as published by the Free Software Foundation.
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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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+// SPDX-License-Identifier: GPL-2.0-only
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 #include <linux/if_arp.h>
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@@ -43,11 +35,11 @@
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 		net_warn_ratelimited("%s: received unknown dispatch\n",
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 				     __func__);
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-		/* fall-through */
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+		fallthrough;
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 	case RX_DROP_UNUSABLE:
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 		kfree_skb(skb);
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-		/* fall-through */
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+		fallthrough;
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 	case RX_DROP:
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 		return NET_RX_DROP;
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 	case RX_QUEUED:
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@@ -248,7 +240,7 @@
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 	return ((dispatch >= 0x44 && dispatch <= 0x4F) ||
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 		(dispatch >= 0x51 && dispatch <= 0x5F) ||
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 		(dispatch >= 0xc8 && dispatch <= 0xdf) ||
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-		(dispatch >= 0xe8 && dispatch <= 0xff));
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+		dispatch >= 0xe8);
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 }
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 /* lowpan_rx_h_check checks on generic 6LoWPAN requirements