diff options
author | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-02 11:39:11 -0400 |
---|---|---|
committer | David Woodhouse <dwmw2@shinybook.infradead.org> | 2005-06-02 11:39:11 -0400 |
commit | 1c3f45ab2f7f879ea482501c83899505c31f7539 (patch) | |
tree | 672465b3b9b3e2e26a8caf74ed64aa6885c52c13 /arch/um/drivers/mcast_user.c | |
parent | 4bcff1b37e7c3aed914d1ce5b45994adc7dbf455 (diff) | |
parent | e0d6d71440a3a35c6fc2dde09f8e8d4d7bd44dda (diff) |
Merge with master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'arch/um/drivers/mcast_user.c')
-rw-r--r-- | arch/um/drivers/mcast_user.c | 47 |
1 files changed, 15 insertions, 32 deletions
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c index 0fe1d9fa9139..7a0d115b29d0 100644 --- a/arch/um/drivers/mcast_user.c +++ b/arch/um/drivers/mcast_user.c | |||
@@ -38,7 +38,7 @@ static struct sockaddr_in *new_addr(char *addr, unsigned short port) | |||
38 | } | 38 | } |
39 | sin->sin_family = AF_INET; | 39 | sin->sin_family = AF_INET; |
40 | sin->sin_addr.s_addr = in_aton(addr); | 40 | sin->sin_addr.s_addr = in_aton(addr); |
41 | sin->sin_port = port; | 41 | sin->sin_port = htons(port); |
42 | return(sin); | 42 | return(sin); |
43 | } | 43 | } |
44 | 44 | ||
@@ -55,28 +55,25 @@ static int mcast_open(void *data) | |||
55 | struct mcast_data *pri = data; | 55 | struct mcast_data *pri = data; |
56 | struct sockaddr_in *sin = pri->mcast_addr; | 56 | struct sockaddr_in *sin = pri->mcast_addr; |
57 | struct ip_mreq mreq; | 57 | struct ip_mreq mreq; |
58 | int fd, yes = 1; | 58 | int fd = -EINVAL, yes = 1, err = -EINVAL;; |
59 | 59 | ||
60 | 60 | ||
61 | if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0)) { | 61 | if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0)) |
62 | fd = -EINVAL; | ||
63 | goto out; | 62 | goto out; |
64 | } | ||
65 | 63 | ||
66 | fd = socket(AF_INET, SOCK_DGRAM, 0); | 64 | fd = socket(AF_INET, SOCK_DGRAM, 0); |
65 | |||
67 | if (fd < 0){ | 66 | if (fd < 0){ |
68 | printk("mcast_open : data socket failed, errno = %d\n", | 67 | printk("mcast_open : data socket failed, errno = %d\n", |
69 | errno); | 68 | errno); |
70 | fd = -ENOMEM; | 69 | fd = -errno; |
71 | goto out; | 70 | goto out; |
72 | } | 71 | } |
73 | 72 | ||
74 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { | 73 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) { |
75 | printk("mcast_open: SO_REUSEADDR failed, errno = %d\n", | 74 | printk("mcast_open: SO_REUSEADDR failed, errno = %d\n", |
76 | errno); | 75 | errno); |
77 | os_close_file(fd); | 76 | goto out_close; |
78 | fd = -EINVAL; | ||
79 | goto out; | ||
80 | } | 77 | } |
81 | 78 | ||
82 | /* set ttl according to config */ | 79 | /* set ttl according to config */ |
@@ -84,26 +81,20 @@ static int mcast_open(void *data) | |||
84 | sizeof(pri->ttl)) < 0) { | 81 | sizeof(pri->ttl)) < 0) { |
85 | printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n", | 82 | printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n", |
86 | errno); | 83 | errno); |
87 | os_close_file(fd); | 84 | goto out_close; |
88 | fd = -EINVAL; | ||
89 | goto out; | ||
90 | } | 85 | } |
91 | 86 | ||
92 | /* set LOOP, so data does get fed back to local sockets */ | 87 | /* set LOOP, so data does get fed back to local sockets */ |
93 | if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) { | 88 | if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) { |
94 | printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n", | 89 | printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n", |
95 | errno); | 90 | errno); |
96 | os_close_file(fd); | 91 | goto out_close; |
97 | fd = -EINVAL; | ||
98 | goto out; | ||
99 | } | 92 | } |
100 | 93 | ||
101 | /* bind socket to mcast address */ | 94 | /* bind socket to mcast address */ |
102 | if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) { | 95 | if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) { |
103 | printk("mcast_open : data bind failed, errno = %d\n", errno); | 96 | printk("mcast_open : data bind failed, errno = %d\n", errno); |
104 | os_close_file(fd); | 97 | goto out_close; |
105 | fd = -EINVAL; | ||
106 | goto out; | ||
107 | } | 98 | } |
108 | 99 | ||
109 | /* subscribe to the multicast group */ | 100 | /* subscribe to the multicast group */ |
@@ -117,12 +108,15 @@ static int mcast_open(void *data) | |||
117 | "interface on the host.\n"); | 108 | "interface on the host.\n"); |
118 | printk("eth0 should be configured in order to use the " | 109 | printk("eth0 should be configured in order to use the " |
119 | "multicast transport.\n"); | 110 | "multicast transport.\n"); |
120 | os_close_file(fd); | 111 | goto out_close; |
121 | fd = -EINVAL; | ||
122 | } | 112 | } |
123 | 113 | ||
124 | out: | 114 | out: |
125 | return(fd); | 115 | return fd; |
116 | |||
117 | out_close: | ||
118 | os_close_file(fd); | ||
119 | return err; | ||
126 | } | 120 | } |
127 | 121 | ||
128 | static void mcast_close(int fd, void *data) | 122 | static void mcast_close(int fd, void *data) |
@@ -164,14 +158,3 @@ struct net_user_info mcast_user_info = { | |||
164 | .delete_address = NULL, | 158 | .delete_address = NULL, |
165 | .max_packet = MAX_PACKET - ETH_HEADER_OTHER | 159 | .max_packet = MAX_PACKET - ETH_HEADER_OTHER |
166 | }; | 160 | }; |
167 | |||
168 | /* | ||
169 | * Overrides for Emacs so that we follow Linus's tabbing style. | ||
170 | * Emacs will notice this stuff at the end of the file and automatically | ||
171 | * adjust the settings for this buffer only. This must remain at the end | ||
172 | * of the file. | ||
173 | * --------------------------------------------------------------------------- | ||
174 | * Local variables: | ||
175 | * c-file-style: "linux" | ||
176 | * End: | ||
177 | */ | ||