export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/include/net/sctp/checksum.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /* SCTP kernel reference Implementation
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  * Copyright (c) 1999-2001 Motorola, Inc.
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  * Copyright (c) 2001-2003 International Business Machines, Corp.
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@@ -5,22 +6,6 @@
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  * This file is part of the SCTP kernel reference Implementation
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  *
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  * SCTP Checksum functions
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- *
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- * The SCTP reference implementation is free software;
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- * you can redistribute it and/or modify it under the terms of
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- * the GNU General Public License as published by
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- * the Free Software Foundation; either version 2, or (at your option)
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- * any later version.
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- *
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- * The SCTP reference implementation is distributed in the hope that it
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- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
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- *                 ************************
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- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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- * See the 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 GNU CC; see the file COPYING.  If not, see
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- * <http://www.gnu.org/licenses/>.
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  *
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  * Please send any bug reports or fixes you make to the
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  * email address(es):
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@@ -58,19 +43,21 @@
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 						   (__force __u32)csum2, len);
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 }
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+static const struct skb_checksum_ops sctp_csum_ops = {
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+	.update  = sctp_csum_update,
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+	.combine = sctp_csum_combine,
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+};
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+
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 static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
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 					unsigned int offset)
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 {
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 	struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
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-	const struct skb_checksum_ops ops = {
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-		.update  = sctp_csum_update,
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-		.combine = sctp_csum_combine,
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-	};
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 	__le32 old = sh->checksum;
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 	__wsum new;
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 	sh->checksum = 0;
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-	new = ~__skb_checksum(skb, offset, skb->len - offset, ~(__wsum)0, &ops);
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+	new = ~__skb_checksum(skb, offset, skb->len - offset, ~(__wsum)0,
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+			      &sctp_csum_ops);
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 	sh->checksum = old;
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62
 
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 	return cpu_to_le32((__force __u32)new);