mISDN: Use kernel_{send,recv}msg instead of open coding

Reducing the number of direct users of sock_{recv,send}msg.
Modified version to match the latest context.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Karsten Keil <keil@b1-systems.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 8 insertions, 18 deletions

diff --git a/drivers/isdn/mISDN/l1oip.h b/drivers/isdn/mISDN/l1oip.h
index a23d575449f6..bc26c890d9a2 100644
--- a/drivers/isdn/mISDN/l1oip.h
+++ b/drivers/isdn/mISDN/l1oip.h
@@ -76,7 +76,7 @@ struct l1oip {
         struct sockaddr_in      sin_local;      /* local socket name */
         struct sockaddr_in      sin_remote;     /* remote socket name */
         struct msghdr           sendmsg;        /* ip message to send */
-        struct iovec            sendiov;        /* iov for message */
+        struct kvec             sendiov;        /* iov for message */
 
         /* frame */
         struct l1oip_chan       chan[128];      /* channel instances */
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index d9cf83b17e3c..990e6a7e6674 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -279,7 +279,6 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
         int multi = 0;
         u8 frame[len+32];
         struct socket *socket = NULL;
-        mm_segment_t oldfs;
 
         if (debug & DEBUG_L1OIP_MSG)
                 printk(KERN_DEBUG "%s: sending data to socket (len = %d)\n",
@@ -352,10 +351,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
                         "= %d)\n", __func__, len);
         hc->sendiov.iov_base = frame;
         hc->sendiov.iov_len  = len;
-        oldfs = get_fs();
-        set_fs(KERNEL_DS);
-        len = sock_sendmsg(socket, &hc->sendmsg, len);
-        set_fs(oldfs);
+        len = kernel_sendmsg(socket, &hc->sendmsg, &hc->sendiov, 1, len);
         /* give socket back */
         hc->socket = socket; /* no locking required */
 
@@ -660,8 +656,6 @@ l1oip_socket_thread(void *data)
         struct l1oip *hc = (struct l1oip *)data;
         int ret = 0;
         struct msghdr msg;
-        struct iovec iov;
-        mm_segment_t oldfs;
         struct sockaddr_in sin_rx;
         unsigned char *recvbuf;
         size_t recvbuf_size = 1500;
@@ -718,16 +712,12 @@ l1oip_socket_thread(void *data)
         msg.msg_namelen = sizeof(sin_rx);
         msg.msg_control = NULL;
         msg.msg_controllen = 0;
-        msg.msg_iov = &iov;
-        msg.msg_iovlen = 1;
 
         /* build send message */
         hc->sendmsg.msg_name = &hc->sin_remote;
         hc->sendmsg.msg_namelen = sizeof(hc->sin_remote);
         hc->sendmsg.msg_control = NULL;
         hc->sendmsg.msg_controllen = 0;
-        hc->sendmsg.msg_iov    = &hc->sendiov;
-        hc->sendmsg.msg_iovlen = 1;
 
         /* give away socket */
         spin_lock(&hc->socket_lock);
@@ -739,12 +729,12 @@ l1oip_socket_thread(void *data)
                 printk(KERN_DEBUG "%s: socket created and open\n",
                         __func__);
         while (!signal_pending(current)) {
-                iov.iov_base = recvbuf;
-                iov.iov_len = recvbuf_size;
-                oldfs = get_fs();
-                set_fs(KERNEL_DS);
-                recvlen = sock_recvmsg(socket, &msg, recvbuf_size, 0);
-                set_fs(oldfs);
+                struct kvec iov = {
+                        .iov_base = recvbuf,
+                        .iov_len = sizeof(recvbuf),
+                };
+                recvlen = kernel_recvmsg(socket, &msg, &iov, 1,
+                                         sizeof(recvbuf), 0);
                 if (recvlen > 0) {
                         l1oip_socket_parse(hc, &sin_rx, recvbuf, recvlen);
                 } else {