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-rw-r--r--sunrpc/getrpcport.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sunrpc/getrpcport.c b/sunrpc/getrpcport.c
index 188c668c1d..2e12482abc 100644
--- a/sunrpc/getrpcport.c
+++ b/sunrpc/getrpcport.c
@@ -56,7 +56,8 @@ getrpcport (const char *host, u_long prognum, u_long versnum, u_int proto)
buflen = 1024;
buffer = __alloca (buflen);
- while (__gethostbyname_r (host, &hostbuf, buffer, buflen, &hp, &herr) != 0)
+ while (__gethostbyname_r (host, &hostbuf, buffer, buflen, &hp, &herr) != 0
+ || hp == NULL)
if (herr != NETDB_INTERNAL || errno != ERANGE)
return 0;
else