libs/netdb: add sanity check to avoid null pointer reference

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-01-30 16:26:32 +08:00 committed by Xiang Xiao
parent 6f2f62f4ce
commit fa63da22ae

View File

@ -736,8 +736,11 @@ int gethostentbyname_r(FAR const char *name,
return OK; return OK;
} }
else if ((flags & AI_NUMERICHOST) != 0) else if ((flags & AI_NUMERICHOST) != 0)
{
if (h_errnop)
{ {
*h_errnop = EAI_NONAME; *h_errnop = EAI_NONAME;
}
return ERROR; return ERROR;
} }