dhcpv6-ia: Check lockf return value
authorFlorian Fainelli <f.fainelli@gmail.com>
Wed, 1 Mar 2017 05:48:29 +0000 (21:48 -0800)
committerHans Dedecker <dedeckeh@gmail.com>
Sat, 4 Mar 2017 20:27:01 +0000 (21:27 +0100)
commit9eac2a8963415e6a74c2fc13a3c8d05cd0f81d4d
treed9d67127eb604bbd0a4e1e2d7d82ccc03cbe9757
parent1b630f8bc59978884c9caccebca3b6d8e9b045a1
dhcpv6-ia: Check lockf return value

Check the lockf return value to fix the following warning/error:

/home/fainelli/dev/openwrt/trunk/build_dir/target-mipsel-linux-gnu_glibc/odhcpd-2017-02-21-1b630f8b/src/dhcpv6-ia.c: In function 'dhcpv6_write_statefile':
/home/fainelli/dev/openwrt/trunk/build_dir/target-mipsel-linux-gnu_glibc/odhcpd-2017-02-21-1b630f8b/src/dhcpv6-ia.c:246:8: error: ignoring return value of 'lockf', declared with attribute warn_unused_result [-Werror=unused-result]
   lockf(fd, F_LOCK, 0);
        ^
cc1: all warnings being treated as errors

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
src/dhcpv6-ia.c