From: Roy Marples <roy@marples.name>
Date: Sun, 3 Nov 2019 10:13:54 +0000 (+0000)
Subject: dhcpcd: Set ctx.ifaces to NULL after freeing
X-Git-Tag: v8.1.2~27
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=538b3073c4d2adf9fbf7c53c8ad07c42b15faed0;p=thirdparty%2Fdhcpcd.git

dhcpcd: Set ctx.ifaces to NULL after freeing

Because they it might be used trying to find an interface to assign
our option routes to when freed if never used.
---

diff --git a/src/dhcpcd.c b/src/dhcpcd.c
index 1509adb0..2b04bb3e 100644
--- a/src/dhcpcd.c
+++ b/src/dhcpcd.c
@@ -2133,6 +2133,7 @@ exit1:
 			if_free(ifp);
 		}
 		free(ctx.ifaces);
+		ctx.ifaces = NULL;
 	}
 	free_options(&ctx, ifo);
 #ifdef HAVE_OPEN_MEMSTREAM