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dns: Drop unnecessary txid variable in dns_check_entry

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Signed-off-by: Axel Lin <axel.lin@ingics.com>
This commit is contained in:
Axel Lin 2016-09-06 23:11:20 +08:00 committed by Dirk Ziegelmeier
parent d66442ba91
commit f8a95aa27f
1 changed files with 2 additions and 7 deletions
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9
src/core/dns.c
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@ -938,12 +938,9 @@ dns_check_entry(u8_t i)
LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE); LWIP_ASSERT("array index out of bounds", i < DNS_TABLE_SIZE);
switch (entry->state) { switch (entry->state) {
case DNS_STATE_NEW:
case DNS_STATE_NEW: {
u16_t txid;
/* initialize new entry */ /* initialize new entry */
txid = dns_create_txid(); entry->txid = dns_create_txid();
entry->txid = txid;
entry->state = DNS_STATE_ASKING; entry->state = DNS_STATE_ASKING;
entry->server_idx = 0; entry->server_idx = 0;
entry->tmr = 1; entry->tmr = 1;
@ -956,8 +953,6 @@ dns_check_entry(u8_t i)
("dns_send returned error: %s\n", lwip_strerr(err))); ("dns_send returned error: %s\n", lwip_strerr(err)));
} }
break; break;
}
case DNS_STATE_ASKING: case DNS_STATE_ASKING:
if (--entry->tmr == 0) { if (--entry->tmr == 0) {
if (++entry->retries == DNS_MAX_RETRIES) { if (++entry->retries == DNS_MAX_RETRIES) {