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lldp: replace if with assert_cc 

LLDP_TX_HOLD or one of the other variables might be changed in the future
resulting in a silent error here if the if was just removed.

Replacement for #2983.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2016-04-07 14:29:07 -04:00
parent 56815242ac
commit c8cf4dc1e5
1 changed files with 1 additions and 2 deletions
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3
src/network/networkd-lldp-tx.c
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@ -239,9 +239,8 @@ static int link_send_lldp(Link *link) {
(void) gethostname_strict(&hostname);
(void) parse_env_file("/etc/machine-info", NEWLINE, "PRETTY_HOSTNAME", &pretty_hostname, NULL);
assert_cc(LLDP_TX_INTERVAL_USEC * LLDP_TX_HOLD + 1 <= (UINT16_MAX - 1) * USEC_PER_SEC);
ttl = DIV_ROUND_UP(LLDP_TX_INTERVAL_USEC * LLDP_TX_HOLD + 1, USEC_PER_SEC);
if (ttl > (usec_t) UINT16_MAX)
ttl = (usec_t) UINT16_MAX;
caps = (link->network && link->network->ip_forward != ADDRESS_FAMILY_NO) ?
SD_LLDP_SYSTEM_CAPABILITIES_ROUTER :