From: Ted Lemon <source@isc.org>
Date: Wed, 12 Jun 1996 23:51:17 +0000 (+0000)
Subject: Don't free old DNS buffer if there wasn't one
X-Git-Tag: BETA_4_5~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b170e0d3280bbb7d045dca1cda16d0b3ca605c8;p=thirdparty%2Fdhcp.git

Don't free old DNS buffer if there wasn't one
---

diff --git a/common/tree.c b/common/tree.c
index 49f629261..a9270f2f7 100644
--- a/common/tree.c
+++ b/common/tree.c
@@ -356,7 +356,8 @@ static TIME do_host_lookup (bufix, bufp, bufcount, dns)
 				return dns -> timeout;
 			}
 		} else {
-			dfree (dns -> data, "do_host_lookup");
+			if (dns -> data)
+				dfree (dns -> data, "do_host_lookup");
 			dns -> data = buf;
 			dns -> buf_len = new_len;
 		}
diff --git a/tree.c b/tree.c
index 49f629261..a9270f2f7 100644
--- a/tree.c
+++ b/tree.c
@@ -356,7 +356,8 @@ static TIME do_host_lookup (bufix, bufp, bufcount, dns)
 				return dns -> timeout;
 			}
 		} else {
-			dfree (dns -> data, "do_host_lookup");
+			if (dns -> data)
+				dfree (dns -> data, "do_host_lookup");
 			dns -> data = buf;
 			dns -> buf_len = new_len;
 		}