From: Steven Barth <steven@midlink.org>
Date: Sat, 25 Oct 2014 10:37:01 +0000 (+0200)
Subject: softwires: avoid unnecessary allocations
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=940e2141ab13727af6323c4d30002f785e466318;p=oweals%2Fodhcp6c.git

softwires: avoid unnecessary allocations
---

diff --git a/src/script.c b/src/script.c
index 98fc6e9..f350ea7 100644
--- a/src/script.c
+++ b/src/script.c
@@ -228,6 +228,9 @@ static void s46_to_env(enum odhcp6c_state state, const uint8_t *data, size_t len
 	const char *name = (state == STATE_S46_MAPE) ? "MAPE" :
 			(state == STATE_S46_MAPT) ? "MAPT" : "LW4O6";
 
+	if (len == 0)
+		return;
+
 	char *str;
 	size_t strsize;