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zcip: simplify code a bit

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This commit is contained in:
Denis Vlasenko 2007-11-25 12:53:25 +00:00
parent a09300a88c
commit b1bac0dab2
1 changed files with 1 additions and 8 deletions
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9
networking/zcip.c
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@ -177,7 +177,6 @@ int zcip_main(int argc, char **argv)
{ {
int state = PROBE; int state = PROBE;
struct ether_addr eth_addr; struct ether_addr eth_addr;
const char *why;
char *r_opt; char *r_opt;
unsigned opts; unsigned opts;
@ -319,8 +318,6 @@ int zcip_main(int argc, char **argv)
VDBG("...wait %d %s nprobes=%u, nclaims=%u\n", VDBG("...wait %d %s nprobes=%u, nclaims=%u\n",
timeout_ms, intf, nprobes, nclaims); timeout_ms, intf, nprobes, nclaims);
// FIXME: do we really receive ALL packets here??
// if yes, set up filtering to get ARPs only!!! (see arping)
switch (safe_poll(fds, 1, timeout_ms)) { switch (safe_poll(fds, 1, timeout_ms)) {
default: default:
@ -447,8 +444,7 @@ int zcip_main(int argc, char **argv)
// read ARP packet // read ARP packet
if (safe_read(sock_fd, &p, sizeof(p)) < 0) { if (safe_read(sock_fd, &p, sizeof(p)) < 0) {
why = "recv"; bb_perror_msg_and_die(bb_msg_read_error);
goto bad;
} }
if (p.eth.ether_type != htons(ETHERTYPE_ARP)) if (p.eth.ether_type != htons(ETHERTYPE_ARP))
continue; continue;
@ -550,7 +546,4 @@ int zcip_main(int argc, char **argv)
break; // case 1 (packets arriving) break; // case 1 (packets arriving)
} // switch poll } // switch poll
} // while (1) } // while (1)
bad:
bb_perror_msg("%s: %s", intf, why);
return EXIT_FAILURE;
} }