diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2011-04-22 00:53:02 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2011-04-22 14:04:14 -0400 |
commit | b71d1d426d263b0b6cb5760322efebbfc89d4463 (patch) | |
tree | 226ca7390bd6187ec9139d2ccedd26fd94d8e57a /net/ipv4/tcp_ipv4.c | |
parent | 5f8629c526b4f7e529a6d27bbd802c0dc7fcc357 (diff) |
inet: constify ip headers and in6_addr
Add const qualifiers to structs iphdr, ipv6hdr and in6_addr pointers
where possible, to make code intention more obvious.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r-- | net/ipv4/tcp_ipv4.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index f7e6c2c2d2bb..edf18bd74b87 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c | |||
@@ -279,7 +279,7 @@ EXPORT_SYMBOL(tcp_v4_connect); | |||
279 | /* | 279 | /* |
280 | * This routine does path mtu discovery as defined in RFC1191. | 280 | * This routine does path mtu discovery as defined in RFC1191. |
281 | */ | 281 | */ |
282 | static void do_pmtu_discovery(struct sock *sk, struct iphdr *iph, u32 mtu) | 282 | static void do_pmtu_discovery(struct sock *sk, const struct iphdr *iph, u32 mtu) |
283 | { | 283 | { |
284 | struct dst_entry *dst; | 284 | struct dst_entry *dst; |
285 | struct inet_sock *inet = inet_sk(sk); | 285 | struct inet_sock *inet = inet_sk(sk); |
@@ -341,7 +341,7 @@ static void do_pmtu_discovery(struct sock *sk, struct iphdr *iph, u32 mtu) | |||
341 | 341 | ||
342 | void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) | 342 | void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) |
343 | { | 343 | { |
344 | struct iphdr *iph = (struct iphdr *)icmp_skb->data; | 344 | const struct iphdr *iph = (const struct iphdr *)icmp_skb->data; |
345 | struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2)); | 345 | struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2)); |
346 | struct inet_connection_sock *icsk; | 346 | struct inet_connection_sock *icsk; |
347 | struct tcp_sock *tp; | 347 | struct tcp_sock *tp; |
@@ -2527,7 +2527,7 @@ void tcp4_proc_exit(void) | |||
2527 | 2527 | ||
2528 | struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb) | 2528 | struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb) |
2529 | { | 2529 | { |
2530 | struct iphdr *iph = skb_gro_network_header(skb); | 2530 | const struct iphdr *iph = skb_gro_network_header(skb); |
2531 | 2531 | ||
2532 | switch (skb->ip_summed) { | 2532 | switch (skb->ip_summed) { |
2533 | case CHECKSUM_COMPLETE: | 2533 | case CHECKSUM_COMPLETE: |
@@ -2548,7 +2548,7 @@ struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb) | |||
2548 | 2548 | ||
2549 | int tcp4_gro_complete(struct sk_buff *skb) | 2549 | int tcp4_gro_complete(struct sk_buff *skb) |
2550 | { | 2550 | { |
2551 | struct iphdr *iph = ip_hdr(skb); | 2551 | const struct iphdr *iph = ip_hdr(skb); |
2552 | struct tcphdr *th = tcp_hdr(skb); | 2552 | struct tcphdr *th = tcp_hdr(skb); |
2553 | 2553 | ||
2554 | th->check = ~tcp_v4_check(skb->len - skb_transport_offset(skb), | 2554 | th->check = ~tcp_v4_check(skb->len - skb_transport_offset(skb), |