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authorChuck Lever <chuck.lever@oracle.com>2008-09-03 14:35:39 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-09-29 18:13:39 -0400
commitb4ed58fd34d4def88bda59f9cc566ec9fca6a096 (patch)
treece377f9ec8773a26e4a967e7d73d42e99d39b0ea /include
parent5344b12d4f97d4a9a62d806425977a6ff64b6baf (diff)
lockd: Use sockaddr_storage + length for h_addr field
To store larger addresses in the nlm_host structure, make h_addr a sockaddr_storage, and add an address length field. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'include')
-rw-r--r--include/linux/lockd/lockd.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 0691efbd0b3..41d7a8e61ce 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -38,7 +38,8 @@
*/
struct nlm_host {
struct hlist_node h_hash; /* doubly linked list */
- struct sockaddr_in h_addr; /* peer address */
+ struct sockaddr_storage h_addr; /* peer address */
+ size_t h_addrlen;
struct sockaddr_in h_saddr; /* our address (optional) */
struct rpc_clnt * h_rpcclnt; /* RPC client to talk to peer */
char * h_name; /* remote hostname */
@@ -77,6 +78,19 @@ struct nsm_handle {
};
/*
+ * Rigorous type checking on sockaddr type conversions
+ */
+static inline struct sockaddr_in *nlm_addr_in(const struct nlm_host *host)
+{
+ return (struct sockaddr_in *)&host->h_addr;
+}
+
+static inline struct sockaddr *nlm_addr(const struct nlm_host *host)
+{
+ return (struct sockaddr *)&host->h_addr;
+}
+
+/*
* Map an fl_owner_t into a unique 32-bit "pid"
*/
struct nlm_lockowner {