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netdb/getaddrinfo: fix NULL pointer reference

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Signed-off-by: chao.an <anchao@xiaomi.com>
This commit is contained in:
chao.an 2022-03-19 00:57:37 +08:00 committed by Petro Karashchenko
parent 6a212b1a2c
commit 484b930fd1
1 changed files with 4 additions and 5 deletions
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9
libs/libc/netdb/lib_getaddrinfo.c
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@ -290,11 +290,10 @@ int getaddrinfo(FAR const char *hostname, FAR const char *servname,
if (ai != NULL)
{
*res = (FAR struct addrinfo *)ai;
}
if (flags & AI_CANONNAME)
{
ai->ai.ai_canonname = (FAR char *)hostname;
if (flags & AI_CANONNAME)
{
ai->ai.ai_canonname = (FAR char *)hostname;
}
}
return (*res != NULL) ? OK : EAI_MEMORY;