From 74d9f1ba37010face4bd1449df4d60dd84450b06 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 7 Jan 2019 15:33:42 +0100 Subject: udhcpc: when decoding DHCP_SUBNET, ensure it is 4 bytes long function old new delta udhcp_run_script 795 801 +6 Signed-off-by: Denys Vlasenko --- networking/udhcp/common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'networking/udhcp/common.c') diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c index 4c2221b77..fc4de5716 100644 --- a/networking/udhcp/common.c +++ b/networking/udhcp/common.c @@ -302,7 +302,7 @@ uint8_t* FAST_FUNC udhcp_get_option32(struct dhcp_packet *packet, int code) { uint8_t *r = udhcp_get_option(packet, code); if (r) { - if (r[-1] != 4) + if (r[-OPT_DATA + OPT_LEN] != 4) r = NULL; } return r; -- cgit v1.2.3