On 04/12/2010 12:34 PM, wzt....@gmail.com wrote:
ret is already set as ENOMEM before, so the second ret = -ENOMEM; can be removed.diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 5169736..c0dcfb7 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -101,7 +101,6 @@ int kvm_coalesced_mmio_init(struct kvm *kvm) goto out_err; kvm->coalesced_mmio_ring = page_address(page); - ret = -ENOMEM; dev = kzalloc(sizeof(struct kvm_coalesced_mmio_dev), GFP_KERNEL); if (!dev) goto out_free_page;
I prefer to keep it there and let the compiler do the elimination. Otherwise inserting any code in the middle may cause a bug (the assignment is logically part of the code block, it only matches the previous one by accident).
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