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Don't call freeaddrinfo with a NULL ptr.

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bug:5067055
Change-Id: I863dc4760a0aa449ac6298397ed571d8d9287801
This commit is contained in:
Robert Greenwalt 2011-07-28 17:21:17 -07:00
parent 28de3e5901
commit 92425f097d
1 changed files with 4 additions and 2 deletions
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2
libc/netbsd/resolv/res_cache.c
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@ -1860,10 +1860,12 @@ _free_nameservers_locked(struct resolv_cache_info* cache_info)
for (i = 0; i <= MAXNS; i++) { for (i = 0; i <= MAXNS; i++) {
free(cache_info->nameservers[i]); free(cache_info->nameservers[i]);
cache_info->nameservers[i] = NULL; cache_info->nameservers[i] = NULL;
if (cache_info->nsaddrinfo[i] != NULL) {
freeaddrinfo(cache_info->nsaddrinfo[i]); freeaddrinfo(cache_info->nsaddrinfo[i]);
cache_info->nsaddrinfo[i] = NULL; cache_info->nsaddrinfo[i] = NULL;
} }
} }
}
int int
_resolv_cache_get_nameserver(int n, char* addr, int addrLen) _resolv_cache_get_nameserver(int n, char* addr, int addrLen)