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Update dns.c 

DNS_MAX_RETRIES定义的数值无效，因为被669行的break；屏蔽掉了
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LeoQ 2019-03-06 16:52:30 +08:00 committed by GitHub
parent 60265d9cde
commit f089a6ce96
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1 changed files with 3 additions and 2 deletions
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components/net/lwip-1.4.1/src/core/dns.c
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@ -666,7 +666,7 @@ dns_check_entry(u8_t i)
pEntry->numdns++; pEntry->numdns++;
pEntry->tmr = 1; pEntry->tmr = 1;
pEntry->retries = 0; pEntry->retries = 0;
break; // break;
} else { } else {
LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": timeout\n", pEntry->name)); LWIP_DEBUGF(DNS_DEBUG, ("dns_check_entry: \"%s\": timeout\n", pEntry->name));
/* call specified callback function if provided */ /* call specified callback function if provided */
@ -678,9 +678,10 @@ dns_check_entry(u8_t i)
break; break;
} }
} }
else{
/* wait longer for the next retry */ /* wait longer for the next retry */
pEntry->tmr = pEntry->retries; pEntry->tmr = pEntry->retries;
}
/* send DNS packet for this entry */ /* send DNS packet for this entry */
err = dns_send(pEntry->numdns, pEntry->name, i); err = dns_send(pEntry->numdns, pEntry->name, i);