From: Roy Marples <roy@marples.name>
Date: Fri, 23 Dec 2022 14:24:59 +0000 (+0000)
Subject: DHCP: Set option buffer length to 0 when freeing
X-Git-Tag: v10.0.0~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=18a0e8b4f24b872f1663a5ee1e4b160c25ded9fc;p=thirdparty%2Fdhcpcd.git

DHCP: Set option buffer length to 0 when freeing

As we test length of buffer when reallocating.
Fixes #156.
---

diff --git a/src/dhcp.c b/src/dhcp.c
index e24f5594..39839562 100644
--- a/src/dhcp.c
+++ b/src/dhcp.c
@@ -3828,6 +3828,7 @@ dhcp_free(struct interface *ifp)
 
 		free(ctx->opt_buffer);
 		ctx->opt_buffer = NULL;
+		ctx->opt_buffer_len = 0;
 	}
 }