Set the right variable to NULL when unsetting ipv6_gateway

We were freeing one and setting a different one to NULL, eventually leading to a crash when closing the netdev (at container shutdown) and freeing already-freed memory. Closes #732 Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

Set the right variable to NULL when unsetting ipv6_gateway
ffe34437 · Serge Hallyn · c7ec3de8 · ffe34437
Commit ffe34437 authored Jan 11, 2016 by Serge Hallyn
Hide whitespace changes
Inline Side-by-side

Showing with 1 addition and 1 deletion

confile.c src/lxc/confile.c +1 -1

No files found.
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -971,7 +971,7 @@ static int config_network_ipv6_gateway(const char *key, const char *value,
 	free(netdev->ipv6_gateway);

 	if (!value || strlen(value) == 0) {
-		netdev->ipv4_gateway = NULL;
+		netdev->ipv6_gateway = NULL;
 	} else if (!strcmp(value, "auto")) {
 		netdev->ipv6_gateway = NULL;
 		netdev->ipv6_gateway_auto = true;