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Apply patch #9139: Invalid format string in dhcp.c

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by Thomas Mueller
This commit is contained in:
Dirk Ziegelmeier 2016-10-10 09:57:07 +02:00
parent 695c81762c
commit ed239c4e71
1 changed files with 3 additions and 3 deletions
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6
src/core/ipv4/dhcp.c
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@ -1519,7 +1519,7 @@ again:
break; break;
case(DHCP_OPTION_DNS_SERVER): case(DHCP_OPTION_DNS_SERVER):
/* special case: there might be more than one server */ /* special case: there might be more than one server */
LWIP_ERROR("len % 4 == 0", len % 4 == 0, return ERR_VAL;); LWIP_ERROR("len %% 4 == 0", len % 4 == 0, return ERR_VAL;);
/* limit number of DNS servers */ /* limit number of DNS servers */
decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS); decode_len = LWIP_MIN(len, 4 * DNS_MAX_SERVERS);
LWIP_ERROR("len >= decode_len", len >= decode_len, return ERR_VAL;); LWIP_ERROR("len >= decode_len", len >= decode_len, return ERR_VAL;);
@ -1532,7 +1532,7 @@ again:
#if LWIP_DHCP_GET_NTP_SRV #if LWIP_DHCP_GET_NTP_SRV
case(DHCP_OPTION_NTP): case(DHCP_OPTION_NTP):
/* special case: there might be more than one server */ /* special case: there might be more than one server */
LWIP_ERROR("len % 4 == 0", len % 4 == 0, return ERR_VAL;); LWIP_ERROR("len %% 4 == 0", len % 4 == 0, return ERR_VAL;);
/* limit number of NTP servers */ /* limit number of NTP servers */
decode_len = LWIP_MIN(len, 4 * LWIP_DHCP_MAX_NTP_SERVERS); decode_len = LWIP_MIN(len, 4 * LWIP_DHCP_MAX_NTP_SERVERS);
LWIP_ERROR("len >= decode_len", len >= decode_len, return ERR_VAL;); LWIP_ERROR("len >= decode_len", len >= decode_len, return ERR_VAL;);
@ -1577,7 +1577,7 @@ decode_next:
} }
if (decode_len > 4) { if (decode_len > 4) {
/* decode more than one u32_t */ /* decode more than one u32_t */
LWIP_ERROR("decode_len % 4 == 0", decode_len % 4 == 0, return ERR_VAL;); LWIP_ERROR("decode_len %% 4 == 0", decode_len % 4 == 0, return ERR_VAL;);
dhcp_got_option(dhcp, decode_idx); dhcp_got_option(dhcp, decode_idx);
dhcp_set_option_value(dhcp, decode_idx, lwip_htonl(value)); dhcp_set_option_value(dhcp, decode_idx, lwip_htonl(value));
decode_len -= 4; decode_len -= 4;