[SCTP]: Switch sctp_del_bind_addr() to net-endian.

Callers adjusted.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 12 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index ffdad8e842ac..f00b03845247 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -607,9 +607,8 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
         int cnt;
         struct sctp_bind_addr *bp = &ep->base.bind_addr;
         int retval = 0;
-        union sctp_addr saveaddr;
         void *addr_buf;
-        struct sockaddr *sa_addr;
+        union sctp_addr *sa_addr;
         struct sctp_af *af;
 
         SCTP_DEBUG_PRINTK("sctp_bindx_rem (sk: %p, addrs: %p, addrcnt: %d)\n",
@@ -627,19 +626,13 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
                         goto err_bindx_rem;
                 }
 
-                /* The list may contain either IPv4 or IPv6 address;
-                 * determine the address length to copy the address to
-                 * saveaddr. 
-                 */
-                sa_addr = (struct sockaddr *)addr_buf;
-                af = sctp_get_af_specific(sa_addr->sa_family);
+                sa_addr = (union sctp_addr *)addr_buf;
+                af = sctp_get_af_specific(sa_addr->sa.sa_family);
                 if (!af) {
                         retval = -EINVAL;
                         goto err_bindx_rem;
                 }
-                memcpy(&saveaddr, sa_addr, af->sockaddr_len); 
-                saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port);
-                if (saveaddr.v4.sin_port != bp->port) {
+                if (sa_addr->v4.sin_port != htons(bp->port)) {
                         retval = -EINVAL;
                         goto err_bindx_rem;
                 }
@@ -654,7 +647,7 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
                 sctp_local_bh_disable();
                 sctp_write_lock(&ep->base.addr_lock);
 
-                retval = sctp_del_bind_addr(bp, &saveaddr);
+                retval = sctp_del_bind_addr(bp, sa_addr);
 
                 sctp_write_unlock(&ep->base.addr_lock);
                 sctp_local_bh_enable();