netdev - [RFC PATCH v3 14/19] ipv6: constify the skb pointer of ipv6_find

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Message-Id: <1455715329-9601-15-git-send-email-huw@codeweavers.com>
Date:	Wed, 17 Feb 2016 13:22:04 +0000
From:	Huw Davies <huw@...eweavers.com>
To:	netdev@...r.kernel.org, linux-security-module@...r.kernel.org,
	selinux@...ho.nsa.gov
Cc:	Paul Moore <pmoore@...hat.com>
Subject: [RFC PATCH v3 14/19] ipv6: constify the skb pointer of ipv6_find_tlv().

Signed-off-by: Huw Davies <huw@...eweavers.com>
---
 include/net/ipv6.h      | 2 +-
 net/ipv6/exthdrs_core.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 3098e0d..df89320 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -935,7 +935,7 @@ enum {
 int ipv6_find_hdr(const struct sk_buff *skb, unsigned int *offset, int target,
 		  unsigned short *fragoff, int *fragflg);
 
-int ipv6_find_tlv(struct sk_buff *skb, int offset, int type);
+int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type);
 
 struct in6_addr *fl6_update_dst(struct flowi6 *fl6,
 				const struct ipv6_txoptions *opt,
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index 5c5d23e..b522479 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -112,7 +112,7 @@ int ipv6_skip_exthdr(const struct sk_buff *skb, int start, u8 *nexthdrp,
 }
 EXPORT_SYMBOL(ipv6_skip_exthdr);
 
-int ipv6_find_tlv(struct sk_buff *skb, int offset, int type)
+int ipv6_find_tlv(const struct sk_buff *skb, int offset, int type)
 {
 	const unsigned char *nh = skb_network_header(skb);
 	int packet_len = skb_tail_pointer(skb) - skb_network_header(skb);
-- 
2.7.0