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[PATCH] knfsd: SUNRPC: Provide room in svc_rqst for larger addresses

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Expand the rq_addr field to allow it to contain larger addresses.

Specifically, we replace a 'sockaddr_in' with a 'sockaddr_storage', then
everywhere the 'sockaddr_in' was referenced, we use instead an accessor
function (svc_addr_in) which safely casts the _storage to _in.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Cc: Aurelien Charbon <aurelien.charbon@ext.bull.net>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Chuck Lever 2007-02-12 00:53:34 -08:00 • committed by Linus Torvalds
parent 2442222283
commit 27459f0940
10 changed files with 51 additions and 28 deletions
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17
include/linux/sunrpc/svc.h
View file

@ -200,8 +200,8 @@ struct svc_rqst {
struct list_head rq_list; /* idle list */
struct list_head rq_all; /* all threads list */
struct svc_sock * rq_sock; /* socket */
struct sockaddr_in rq_addr; /* peer address */
int rq_addrlen;
struct sockaddr_storage rq_addr; /* peer address */
size_t rq_addrlen;
struct svc_serv * rq_server; /* RPC service definition */
struct svc_pool * rq_pool; /* thread pool */
@ -255,6 +255,19 @@ struct svc_rqst {
struct task_struct *rq_task; /* service thread */
};
/*
* Rigorous type checking on sockaddr type conversions
*/
static inline struct sockaddr_in *svc_addr_in(struct svc_rqst *rqst)
{
return (struct sockaddr_in *) &rqst->rq_addr;
}
static inline struct sockaddr *svc_addr(struct svc_rqst *rqst)
{
return (struct sockaddr *) &rqst->rq_addr;
}
/*
* Check buffer bounds after decoding arguments
*/