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sctp: Make the address lists per network namespace

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- Move the address lists into struct net
- Add per network namespace initialization and cleanup
- Pass around struct net so it is everywhere I need it.
- Rename all of the global variable references into references
  to the variables moved into struct net

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2012-08-06 08:42:04 +00:00
committed by David S. Miller
parent 4110cc255d
commit 4db67e8086
9 changed files with 132 additions and 103 deletions
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14
net/sctp/bind_addr.c
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@@ -52,8 +52,8 @@
#include <net/sctp/sm.h>
/* Forward declarations for internal helpers. */
static int sctp_copy_one_addr(struct sctp_bind_addr *, union sctp_addr *,
sctp_scope_t scope, gfp_t gfp,
static int sctp_copy_one_addr(struct net *, struct sctp_bind_addr *,
union sctp_addr *, sctp_scope_t scope, gfp_t gfp,
int flags);
static void sctp_bind_addr_clean(struct sctp_bind_addr *);
@@ -62,7 +62,7 @@ static void sctp_bind_addr_clean(struct sctp_bind_addr *);
/* Copy 'src' to 'dest' taking 'scope' into account. Omit addresses
* in 'src' which have a broader scope than 'scope'.
*/
int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
int sctp_bind_addr_copy(struct net *net, struct sctp_bind_addr *dest,
const struct sctp_bind_addr *src,
sctp_scope_t scope, gfp_t gfp,
int flags)
@@ -75,7 +75,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
/* Extract the addresses which are relevant for this scope. */
list_for_each_entry(addr, &src->address_list, list) {
error = sctp_copy_one_addr(dest, &addr->a, scope,
error = sctp_copy_one_addr(net, dest, &addr->a, scope,
gfp, flags);
if (error < 0)
goto out;
@@ -87,7 +87,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest,
*/
if (list_empty(&dest->address_list) && (SCTP_SCOPE_GLOBAL == scope)) {
list_for_each_entry(addr, &src->address_list, list) {
error = sctp_copy_one_addr(dest, &addr->a,
error = sctp_copy_one_addr(net, dest, &addr->a,
SCTP_SCOPE_LINK, gfp,
flags);
if (error < 0)
@@ -448,7 +448,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr *bp,
}
/* Copy out addresses from the global local address list. */
static int sctp_copy_one_addr(struct sctp_bind_addr *dest,
static int sctp_copy_one_addr(struct net *net, struct sctp_bind_addr *dest,
union sctp_addr *addr,
sctp_scope_t scope, gfp_t gfp,
int flags)
@@ -456,7 +456,7 @@ static int sctp_copy_one_addr(struct sctp_bind_addr *dest,
int error = 0;
if (sctp_is_any(NULL, addr)) {
error = sctp_copy_local_addr_list(dest, scope, gfp, flags);
error = sctp_copy_local_addr_list(net, dest, scope, gfp, flags);
} else if (sctp_in_scope(addr, scope)) {
/* Now that the address is in scope, check to see if
* the address type is supported by local sock as