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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-11 11:16:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-16 15:38:07 +0200 |
| commit | 1d487e9bf8ba66a7174c56a0029c54b1eca8f99c (patch) | |
| tree | 4916036d4dc25e9a52ba59105621ee42682ce844 /virt/kvm/irqchip.c | |
| parent | be43c440eb5d0ccfdb0d67d5a4c9d579ff988b75 (diff) | |
| download | linux-1d487e9bf8ba66a7174c56a0029c54b1eca8f99c.tar.gz linux-1d487e9bf8ba66a7174c56a0029c54b1eca8f99c.tar.bz2 linux-1d487e9bf8ba66a7174c56a0029c54b1eca8f99c.zip | |
KVM: fix spectrev1 gadgets
These were found with smatch, and then generalized when applicable.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm/irqchip.c')
| -rw-r--r-- | virt/kvm/irqchip.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/virt/kvm/irqchip.c b/virt/kvm/irqchip.c index 3547b0d8c91e..79e59e4fa3dc 100644 --- a/virt/kvm/irqchip.c +++ b/virt/kvm/irqchip.c @@ -144,18 +144,19 @@ static int setup_routing_entry(struct kvm *kvm, { struct kvm_kernel_irq_routing_entry *ei; int r; + u32 gsi = array_index_nospec(ue->gsi, KVM_MAX_IRQ_ROUTES); /* * Do not allow GSI to be mapped to the same irqchip more than once. * Allow only one to one mapping between GSI and non-irqchip routing. */ - hlist_for_each_entry(ei, &rt->map[ue->gsi], link) + hlist_for_each_entry(ei, &rt->map[gsi], link) if (ei->type != KVM_IRQ_ROUTING_IRQCHIP || ue->type != KVM_IRQ_ROUTING_IRQCHIP || ue->u.irqchip.irqchip == ei->irqchip.irqchip) return -EINVAL; - e->gsi = ue->gsi; + e->gsi = gsi; e->type = ue->type; r = kvm_set_routing_entry(kvm, e, ue); if (r) |