From 3c4cd6c10f192684fbb31db0d0de7e580fc9c3a8 Mon Sep 17 00:00:00 2001
From: Packit Service <user-cont-team+packit-service@redhat.com>
Date: Mar 14 2021 14:57:08 +0000
Subject: Apply patch glibc-rh1631293-1.patch


patch_name: glibc-rh1631293-1.patch
present_in_specfile: true
location_in_specfile: 29

---

diff --git a/sysdeps/unix/sysv/linux/gethostid.c b/sysdeps/unix/sysv/linux/gethostid.c
index 2e20f03..ee0190e 100644
--- a/sysdeps/unix/sysv/linux/gethostid.c
+++ b/sysdeps/unix/sysv/linux/gethostid.c
@@ -102,12 +102,12 @@ gethostid (void)
     {
       int ret = __gethostbyname_r (hostname, &hostbuf,
 				   tmpbuf.data, tmpbuf.length, &hp, &herr);
-      if (ret == 0)
+      if (ret == 0 && hp != NULL)
 	break;
       else
 	{
 	  /* Enlarge the buffer on ERANGE.  */
-	  if (herr == NETDB_INTERNAL && errno == ERANGE)
+	  if (ret != 0 && herr == NETDB_INTERNAL && errno == ERANGE)
 	    {
 	      if (!scratch_buffer_grow (&tmpbuf))
 		return 0;