diff options
Diffstat (limited to 'networking/udhcp/socket.c')
| -rw-r--r-- | networking/udhcp/socket.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/networking/udhcp/socket.c b/networking/udhcp/socket.c index 2d272510d..ea0a2c3a8 100644 --- a/networking/udhcp/socket.c +++ b/networking/udhcp/socket.c @@ -88,7 +88,6 @@ int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) { int fd; - struct ifreq interface; struct sockaddr_in addr; DEBUG("Opening listen socket on *:%d %s", port, inf); @@ -98,8 +97,8 @@ int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf) if (setsockopt_broadcast(fd) == -1) bb_perror_msg_and_die("SO_BROADCAST"); - strncpy(interface.ifr_name, inf, IFNAMSIZ); - if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &interface, sizeof(interface)) == -1) + /* NB: bug 1032 says this doesn't work on ethernet aliases (ethN:M) */ + if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, &inf, strlen(inf) + 1) == -1) bb_perror_msg_and_die("SO_BINDTODEVICE"); memset(&addr, 0, sizeof(addr)); |