1 files changed, 32 insertions, 41 deletions

diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 236a3dfc297..5f647d7a729 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -1,9 +1,10 @@
 /*
  * user-mode-linux networking multicast transport
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
  * Copyright (C) 2001 by Harald Welte <laforge@gnumonks.org>
  *
  * based on the existing uml-networking code, which is
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and 
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
  * James Leu (jleu@mindspring.net).
  * Copyright (C) 2001 by various other people who didn't put their name here.
  *
@@ -11,28 +12,22 @@
  *
  */
 
-#include <errno.h>
 #include <unistd.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <sys/time.h>
+#include <errno.h>
 #include <netinet/in.h>
-#include "net_user.h"
 #include "mcast.h"
-#include "kern_util.h"
-#include "user.h"
-#include "os.h"
+#include "net_user.h"
 #include "um_malloc.h"
-
-#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
+#include "user.h"
 
 static struct sockaddr_in *new_addr(char *addr, unsigned short port)
 {
 	struct sockaddr_in *sin;
 
 	sin = kmalloc(sizeof(struct sockaddr_in), UM_GFP_KERNEL);
-	if(sin == NULL){
-		printk("new_addr: allocation of sockaddr_in failed\n");
+	if (sin == NULL) {
+		printk(UM_KERN_ERR "new_addr: allocation of sockaddr_in "
+		       "failed\n");
 		return NULL;
 	}
 	sin->sin_family = AF_INET;
@@ -71,17 +66,17 @@ static int mcast_open(void *data)
 
 	fd = socket(AF_INET, SOCK_DGRAM, 0);
 
-	if (fd < 0){
+	if (fd < 0) {
 		err = -errno;
-		printk("mcast_open : data socket failed, errno = %d\n", 
-		       errno);
+		printk(UM_KERN_ERR "mcast_open : data socket failed, "
+		       "errno = %d\n", errno);
 		goto out;
 	}
 
 	if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
 		err = -errno;
-		printk("mcast_open: SO_REUSEADDR failed, errno = %d\n",
-			errno);
+		printk(UM_KERN_ERR "mcast_open: SO_REUSEADDR failed, "
+		       "errno = %d\n", errno);
 		goto out_close;
 	}
 
@@ -89,45 +84,46 @@ static int mcast_open(void *data)
 	if (setsockopt(fd, SOL_IP, IP_MULTICAST_TTL, &pri->ttl,
 		       sizeof(pri->ttl)) < 0) {
 		err = -errno;
-		printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n",
-			errno);
+		printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_TTL failed, "
+		       "error = %d\n", errno);
 		goto out_close;
 	}
 
 	/* set LOOP, so data does get fed back to local sockets */
 	if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
 		err = -errno;
-		printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n",
-			errno);
+		printk(UM_KERN_ERR "mcast_open: IP_MULTICAST_LOOP failed, "
+		       "error = %d\n", errno);
 		goto out_close;
 	}
 
 	/* bind socket to mcast address */
 	if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
 		err = -errno;
-		printk("mcast_open : data bind failed, errno = %d\n", errno);
+		printk(UM_KERN_ERR "mcast_open : data bind failed, "
+		       "errno = %d\n", errno);
 		goto out_close;
 	}
 
 	/* subscribe to the multicast group */
 	mreq.imr_multiaddr.s_addr = sin->sin_addr.s_addr;
 	mreq.imr_interface.s_addr = 0;
-	if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP, 
+	if (setsockopt(fd, SOL_IP, IP_ADD_MEMBERSHIP,
 		       &mreq, sizeof(mreq)) < 0) {
 		err = -errno;
-		printk("mcast_open: IP_ADD_MEMBERSHIP failed, error = %d\n",
-			errno);
-		printk("There appears not to be a multicast-capable network "
-		       "interface on the host.\n");
-		printk("eth0 should be configured in order to use the "
-		       "multicast transport.\n");
+		printk(UM_KERN_ERR "mcast_open: IP_ADD_MEMBERSHIP failed, "
+		       "error = %d\n", errno);
+		printk(UM_KERN_ERR "There appears not to be a multicast-"
+		       "capable network interface on the host.\n");
+		printk(UM_KERN_ERR "eth0 should be configured in order to use "
+		       "the multicast transport.\n");
 		goto out_close;
 	}
 
 	return fd;
 
  out_close:
-	os_close_file(fd);
+	close(fd);
  out:
 	return err;
 }
@@ -142,11 +138,11 @@ static void mcast_close(int fd, void *data)
 	mreq.imr_interface.s_addr = 0;
 	if (setsockopt(fd, SOL_IP, IP_DROP_MEMBERSHIP,
 		       &mreq, sizeof(mreq)) < 0) {
-		printk("mcast_open: IP_DROP_MEMBERSHIP failed, error = %d\n",
-			errno);
+		printk(UM_KERN_ERR "mcast_open: IP_DROP_MEMBERSHIP failed, "
+		       "error = %d\n", errno);
 	}
 
-	os_close_file(fd);
+	close(fd);
 }
 
 int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri)
@@ -156,18 +152,13 @@ int mcast_user_write(int fd, void *buf, int len, struct mcast_data *pri)
 	return net_sendto(fd, buf, len, data_addr, sizeof(*data_addr));
 }
 
-static int mcast_set_mtu(int mtu, void *data)
-{
-	return mtu;
-}
-
 const struct net_user_info mcast_user_info = {
 	.init		= mcast_user_init,
 	.open		= mcast_open,
 	.close	 	= mcast_close,
 	.remove	 	= mcast_remove,
-	.set_mtu	= mcast_set_mtu,
 	.add_address	= NULL,
 	.delete_address = NULL,
-	.max_packet	= MAX_PACKET - ETH_HEADER_OTHER
+	.mtu		= ETH_MAX_PACKET,
+	.max_packet	= ETH_MAX_PACKET + ETH_HEADER_OTHER,
 };