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authorHans Dedecker <dedeckeh@gmail.com>2017-05-15 17:40:37 +0200
committerHans Dedecker <dedeckeh@gmail.com>2017-05-15 17:42:29 +0200
commitf8d40a5b25b47f145f20ca83d5581428cb6a4e2c (patch)
tree136fa9471e3e7632ef55af04f82ef581248838de /src/router.c
parentf8f4b8769fbbd4fd52d2854c912b5d298ff8f8fb (diff)
router: fix interface mtu read error
Use integer type for mtu variable as odhcpd_get_interface_config returns -1 when it fails to read the interface mtu. This allows to set the mtu to a meaningfull value of 1280 in case of interface mtu read failure. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'src/router.c')
-rw-r--r--src/router.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/router.c b/src/router.c
index 8a2f816..f08a7b0 100644
--- a/src/router.c
+++ b/src/router.c
@@ -259,11 +259,11 @@ static uint16_t calc_ra_lifetime(struct interface *iface, uint32_t maxival)
static uint64_t send_router_advert(struct interface *iface, const struct in6_addr *from)
{
time_t now = odhcpd_time();
- uint32_t mtu = iface->ra_mtu;
+ int mtu = iface->ra_mtu;
int hlim = iface->ra_hoplimit;
if (mtu == 0)
- mtu = odhcpd_get_interface_config(iface->ifname, "mtu");
+ mtu = odhcpd_get_interface_config(iface->ifname, "mtu");
if (mtu < 1280)
mtu = 1280;