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As we need to actuall drain the kernel buffer, don't bother setting the receive buffer size

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Roy Marples 2014-01-31 12:03:54 +00:00
parent c6eb161be2
commit 54b371af1c
1 changed files with 1 additions and 6 deletions
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7
dhcp.c
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@ -1367,11 +1367,6 @@ dhcp_openudp(struct interface *iface)
sizeof(ifr)) == -1)
goto eexit;
#endif
/* As we don't use this socket for receiving, set the
* receive buffer to 1 */
n = 1;
if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &n, sizeof(n)) == -1)
goto eexit;
state = D_STATE(iface);
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
@ -2510,9 +2505,9 @@ dhcp_handleudp(void *arg)
ifp = arg;
state = D_CSTATE(ifp);
bytes = read(state->udp_fd, buffer, sizeof(buffer));
/* Just read what's in the UDP fd and discard it as we always read
* from the raw fd */
bytes = read(state->udp_fd, buffer, sizeof(buffer));
}
static int