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hw/block/nvme.c: Use pow2ceil() rather than hand-calculation

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Use pow2ceil() to round up to the next power of 2, rather
than an inline calculation.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1437741192-20955-4-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2015-07-24 13:33:09 +01:00
parent 1d0148fe6c
commit 26efcec158
1 changed files with 1 additions and 1 deletions
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2
hw/block/nvme.c
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@ -805,7 +805,7 @@ static int nvme_init(PCIDevice *pci_dev)
n->num_namespaces = 1;
n->num_queues = 64;
n->reg_size = 1 << qemu_fls(0x1004 + 2 * (n->num_queues + 1) * 4);
n->reg_size = pow2ceil(0x1004 + 2 * (n->num_queues + 1) * 4);
n->ns_size = bs_size / (uint64_t)n->num_namespaces;
n->namespaces = g_new0(NvmeNamespace, n->num_namespaces);