Merge ../linux-2.6-watchdog-mm

[linux-drm-fsl-dcu.git] / arch / um / drivers / mcast_user.c

diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 5db136e2651cc20a7883ad6ce3048423bbfaa8dd..8138f5ea1bf7516272de7b086ead9ca8295306ea 100644 (file)
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -23,6 +23,7 @@
 #include "user_util.h"
 #include "user.h"
 #include "os.h"
+#include "um_malloc.h"
 
 #define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
 
@@ -54,7 +55,7 @@ static int mcast_open(void *data)
        struct mcast_data *pri = data;
        struct sockaddr_in *sin = pri->mcast_addr;
        struct ip_mreq mreq;
-       int fd, yes = 1, err = 0;
+       int fd, yes = 1, err = -EINVAL;
 
 
        if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0))
@@ -63,40 +64,40 @@ static int mcast_open(void *data)
        fd = socket(AF_INET, SOCK_DGRAM, 0);
 
        if (fd < 0){
+               err = -errno;
                printk("mcast_open : data socket failed, errno = %d\n", 
                       errno);
-               err = -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);
-               err = -errno;
                goto out_close;
        }
 
        /* set ttl according to config */
        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);
-               err = -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);
-               err = -errno;
                goto out_close;
        }
 
        /* bind socket to mcast address */
        if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
-               printk("mcast_open : data bind failed, errno = %d\n", errno);
                err = -errno;
+               printk("mcast_open : data bind failed, errno = %d\n", errno);
                goto out_close;
        }               
        
@@ -105,22 +106,22 @@ static int mcast_open(void *data)
        mreq.imr_interface.s_addr = 0;
        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");
-               err = -errno;
-                goto out_close;
+               goto out_close;
        }
 
        return fd;
 
  out_close:
-        os_close_file(fd);
+       os_close_file(fd);
  out:
-        return err;
+       return err;
 }
 
 static void mcast_close(int fd, void *data)
@@ -152,7 +153,7 @@ static int mcast_set_mtu(int mtu, void *data)
        return(mtu);
 }
 
-struct net_user_info mcast_user_info = {
+const struct net_user_info mcast_user_info = {
        .init           = mcast_user_init,
        .open           = mcast_open,
        .close          = mcast_close,