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(parent: 64b7449) | patch
dhcpd: fix an improper widening conversion
authorDenys Vlasenko <vda.linux@googlemail.com>
Tue, 27 Jan 2015 20:59:40 +0000 (21:59 +0100)
committerDenys Vlasenko <vda.linux@googlemail.com>
Tue, 27 Jan 2015 20:59:40 +0000 (21:59 +0100)
commit936c401077cc68d9e3dd7f1b0b293ee03ce02bf5
tree5315bc6e3d1e77602dc4b5f198697e9c49370470tree | snapshot
parent64b744997ef399809dc4c78ec45ddfbebde3e597commit | diff
dhcpd: fix an improper widening conversion

We wanted to detect when tv_sec = unsigned1 - unsigned2
underflows by looking at tv_sec's sign. But if tv_sec
is long and it is wider than unsigned, we get unsigned -> long
conversion which is in this case never negative.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
networking/udhcp/dhcpd.c diff | blob | history
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