sergiotarxz/nuttx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Check if DNS server has been initialized before trying to lookup the server address in the cache. From Librae

Browse Source
This commit is contained in:
Librae 2015-07-27 14:16:45 -06:00 committed by Gregory Nutt
parent e66e2f5c0f
commit dce921c1cd
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libc/netdb/lib_dnsclient.c
View File

@ -1029,6 +1029,14 @@ int dns_find_answer(FAR const char *hostname, FAR struct sockaddr *addr,
int next; int next;
int ndx; int ndx;
/* If DNS not initialized, no need to proceed */
if (!g_dns_initialized)
{
ndbg("ERROR: DNS not initialized yet\n");
return -EAGAIN;
}
/* Get exclusive access to the DNS cache */ /* Get exclusive access to the DNS cache */
dns_semtake(); dns_semtake();