We already check 'len' above to make sure it already isn't negative here, so indeed, (addr + len < addr) should never be happened. Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx> --- virt/kvm/coalesced_mmio.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 00d8642..60f59cd 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -30,8 +30,6 @@ static int coalesced_mmio_in_range(struct kvm_coalesced_mmio_dev *dev, */ if (len < 0) return 0; - if (addr + len < addr) - return 0; if (addr < dev->zone.addr) return 0; if (addr + len > dev->zone.addr + dev->zone.size) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
