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init: prevent division by zero

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During the reconfiguration of init, the CPU-quota computation caused
init to produce a division-by-zero exception.
This commit is contained in:
Norman Feske 2015-11-13 12:51:39 +01:00 committed by Christian Helmuth
parent a2bb96723a
commit 853378960c
1 changed files with 1 additions and 1 deletions
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repos/os/include/init/child.h
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@ -852,7 +852,7 @@ void Init::Child::Resources::transfer_cpu_quota()
static size_t avail = Cpu_session::quota_lim_upscale( 100, 100);
size_t const need = Cpu_session::quota_lim_upscale(cpu_quota_pc, 100);
size_t need_adj;
if (need > avail) {
if (need > avail || avail == 0) {
warn_insuff_quota(Cpu_session::quota_lim_downscale(avail, 100));
need_adj = Cpu_session::quota_lim_upscale(100, 100);
avail = 0;