From 93abe6f02ad6e050996c4ead2481f103417df64f Mon Sep 17 00:00:00 2001 From: Hans Dedecker Date: Mon, 15 May 2017 20:02:40 +0200 Subject: [PATCH] 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 --- src/config.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) 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])) { -- 2.30.2