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path: root/arch/um/drivers/mcast_user.c
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Diffstat (limited to 'arch/um/drivers/mcast_user.c')
-rw-r--r--arch/um/drivers/mcast_user.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 3fd69067a5f..5db136e2651 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -54,7 +54,7 @@ static int mcast_open(void *data)
struct mcast_data *pri = data;
struct sockaddr_in *sin = pri->mcast_addr;
struct ip_mreq mreq;
- int fd = -EINVAL, yes = 1, err = -EINVAL;;
+ int fd, yes = 1, err = 0;
if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0))
@@ -65,13 +65,14 @@ static int mcast_open(void *data)
if (fd < 0){
printk("mcast_open : data socket failed, errno = %d\n",
errno);
- fd = -errno;
+ err = -errno;
goto out;
}
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
printk("mcast_open: SO_REUSEADDR failed, errno = %d\n",
errno);
+ err = -errno;
goto out_close;
}
@@ -80,6 +81,7 @@ static int mcast_open(void *data)
sizeof(pri->ttl)) < 0) {
printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n",
errno);
+ err = -errno;
goto out_close;
}
@@ -87,12 +89,14 @@ static int mcast_open(void *data)
if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
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;
goto out_close;
}
@@ -107,14 +111,15 @@ static int mcast_open(void *data)
"interface on the host.\n");
printk("eth0 should be configured in order to use the "
"multicast transport.\n");
+ err = -errno;
goto out_close;
}
- out:
return fd;
out_close:
os_close_file(fd);
+ out:
return err;
}