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H A D | coalesced_mmio.c | diff aac5c4226e7136c331ed384c25d5560204da10a0 Wed Jan 29 07:16:39 CST 2014 Dan Carpenter <dan.carpenter@oracle.com> KVM: return an error code in kvm_vm_ioctl_register_coalesced_mmio()
If kvm_io_bus_register_dev() fails then it returns success but it should return an error code.
I also did a little cleanup like removing an impossible NULL test.
Cc: stable@vger.kernel.org Fixes: 2b3c246a682c ('KVM: Make coalesced mmio use a device per zone') Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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