From: Hans Dedecker <dedeckeh@gmail.com>
Date: Mon, 15 May 2017 18:02:40 +0000 (+0200)
Subject: config: fix invalid hoplimit in RA message
X-Git-Url: http://git.archive.openwrt.org/?p=project%2Fodhcpd.git;a=commitdiff_plain;h=93abe6f02ad6e050996c4ead2481f103417df64f;hp=2ae08d1fe4cd1e8bda92c2ce33438e400ad5ffa4

config: fix invalid hoplimit in RA message

Don't send an invalid hoplimit in RA message when
the interface is shutdown due to a invalid configured
ra_hoplimit.

Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
---

diff --git a/src/config.c b/src/config.c
index 9b4fa46..7940095 100644
--- a/src/config.c
+++ b/src/config.c
@@ -619,9 +619,11 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
 	}
 
 	if ((c = tb[IFACE_ATTR_RA_HOPLIMIT])) {
-		iface->ra_hoplimit = blobmsg_get_u32(c);
-		if (iface->ra_hoplimit > 255)
+		uint32_t ra_hoplimit = blobmsg_get_u32(c);
+		if (ra_hoplimit > 255)
 			goto err;
+
+		iface->ra_hoplimit = ra_hoplimit;
 	}
 
 	if ((c = tb[IFACE_ATTR_RA_MTU])) {