mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-12-26 12:13:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

DNS_MAX_SOURCE_PORTS is PP-checked to be <= 255...

Browse Source
This commit is contained in:
goldsimon 2017-06-26 08:48:17 +02:00
parent 5efe26ebd3
commit 092c6c1f07
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/dns.c
View File

@ -913,7 +913,7 @@ dns_alloc_pcb(void)
/* if we come here, creating a new UDP pcb failed, so we have to use /* if we come here, creating a new UDP pcb failed, so we have to use
an already existing one (so overflow is no issue) */ an already existing one (so overflow is no issue) */
for (i = 0, idx = (u8_t)(dns_last_pcb_idx + 1); i < DNS_MAX_SOURCE_PORTS; i++, idx++) { for (i = 0, idx = (u8_t)(dns_last_pcb_idx + 1); i < DNS_MAX_SOURCE_PORTS; i++, idx++) {
if (idx >= LWIP_MAX(0xFF, DNS_MAX_SOURCE_PORTS)) { if (idx >= DNS_MAX_SOURCE_PORTS) {
idx = 0; idx = 0;
} }
if (dns_pcbs[idx] != NULL) { if (dns_pcbs[idx] != NULL) {