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

[firefly-linux-kernel-4.4.55.git] / drivers / isdn / mISDN / l1oip_core.c

diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index d9cf83b17e3cdad4f785c82e97f0fbf5362ef5e0..990e6a7e6674dce0c866083fc576ce8acb1d9e52 100644 (file)
--- 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 {