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inet: constify ip headers and in6_addr

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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>
This commit is contained in:
Eric Dumazet
2011-04-22 04:53:02 +00:00
committed by David S. Miller
parent 5f8629c526
commit b71d1d426d
64 changed files with 316 additions and 310 deletions
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16
net/ipv6/ip6_fib.c
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@@ -134,9 +134,9 @@ static __inline__ u32 fib6_new_sernum(void)
# define BITOP_BE32_SWIZZLE 0
#endif
static __inline__ __be32 addr_bit_set(void *token, int fn_bit)
static __inline__ __be32 addr_bit_set(const void *token, int fn_bit)
{
__be32 *addr = token;
const __be32 *addr = token;
/*
* Here,
* 1 << ((~fn_bit ^ BITOP_BE32_SWIZZLE) & 0x1f)
@@ -822,7 +822,7 @@ st_failure:
struct lookup_args {
int offset; /* key offset on rt6_info */
struct in6_addr *addr; /* search key */
const struct in6_addr *addr; /* search key */
};
static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
@@ -881,8 +881,8 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
return NULL;
}
struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
struct in6_addr *saddr)
struct fib6_node * fib6_lookup(struct fib6_node *root, const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
struct fib6_node *fn;
struct lookup_args args[] = {
@@ -916,7 +916,7 @@ struct fib6_node * fib6_lookup(struct fib6_node *root, struct in6_addr *daddr,
static struct fib6_node * fib6_locate_1(struct fib6_node *root,
struct in6_addr *addr,
const struct in6_addr *addr,
int plen, int offset)
{
struct fib6_node *fn;
@@ -946,8 +946,8 @@ static struct fib6_node * fib6_locate_1(struct fib6_node *root,
}
struct fib6_node * fib6_locate(struct fib6_node *root,
struct in6_addr *daddr, int dst_len,
struct in6_addr *saddr, int src_len)
const struct in6_addr *daddr, int dst_len,
const struct in6_addr *saddr, int src_len)
{
struct fib6_node *fn;