From b55ea3757c37a3daf19547fc3c6f437221c79a0c Mon Sep 17 00:00:00 2001 From: Patrick Grimm Date: Thu, 18 Jun 2015 04:45:45 +0200 Subject: dhcpv4: fix unitialization of mask Signed-off-by: Patrick Grimm --- src/dhcpv4.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/src/dhcpv4.c b/src/dhcpv4.c index 07ad3ff..f6f4b0a 100644 --- a/src/dhcpv4.c +++ b/src/dhcpv4.c @@ -123,11 +123,12 @@ int setup_dhcpv4_interface(struct interface *iface, bool enable) inet_pton(AF_INET,saddr, &addr); int bits = ubus_get_mask4(iface->name); struct in_addr mask; - if (!(bits < -32 || bits > 32)) { - mask.s_addr = bits ? htonl(~((1 << (32 - abs(bits))) - 1)) : 0; - if (bits < 0) - mask.s_addr = ~mask.s_addr; - } + if (bits < -32 || bits > 32) + bits = 0; + + mask.s_addr = bits ? htonl(~((1 << (32 - abs(bits))) - 1)) : 0; + if (bits < 0) + mask.s_addr = ~mask.s_addr; // Create a range if not specified -- cgit v1.2.3