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authorChuck Lever <chuck.lever@oracle.com>2007-02-12 00:53:34 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:36 -0800
commit27459f0940e16c68e080f5fc7e85aa9eb3f74528 (patch)
treef13cd1f2005dda2b6115e2afbc49e1271b0d374b /include
parent2442222283918c2d1c20ae651d95fe168757938b (diff)
downloadlinux-27459f0940e16c68e080f5fc7e85aa9eb3f74528.tar.gz
[PATCH] knfsd: SUNRPC: Provide room in svc_rqst for larger addresses
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>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sunrpc/svc.h17
1 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h
index 52db9c8985c5..96c1b6ae7d96 100644
--- a/include/linux/sunrpc/svc.h
+++ b/include/linux/sunrpc/svc.h
@@ -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 */
@@ -256,6 +256,19 @@ struct svc_rqst {
 };
 
 /*
+ * 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
  */
 static inline int