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| author | Patrick Grimm <patrick@lunatiki.de> | 2015-06-18 04:45:45 +0200 |
|---|---|---|
| committer | Patrick Grimm <patrick@lunatiki.de> | 2015-06-18 04:45:45 +0200 |
| commit | b55ea3757c37a3daf19547fc3c6f437221c79a0c (patch) | |
| tree | 93b363597506531eac2d76559dc7466b8210f716 | |
| parent | d5b2b5353e99552ac68fef21a19fdb9157dcf96b (diff) | |
| download | odhcpd-b55ea3757c37a3daf19547fc3c6f437221c79a0c.tar.gz | |
dhcpv4: fix unitialization of mask
Signed-off-by: Patrick Grimm <patrick@lunatiki.de>
| -rw-r--r-- | src/dhcpv4.c | 11 |
1 files 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 |