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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2014-01-29 16:16:39 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-01-30 11:56:09 +0100 |
| commit | aac5c4226e7136c331ed384c25d5560204da10a0 (patch) | |
| tree | e24e17f6bf825f070c8d8708ac89c26c2c41092f | |
| parent | b73117c49364551ff789db7c424a115ac5b77850 (diff) | |
| download | renesas_kernel-aac5c4226e7136c331ed384c25d5560204da10a0.tar.gz renesas_kernel-aac5c4226e7136c331ed384c25d5560204da10a0.tar.bz2 renesas_kernel-aac5c4226e7136c331ed384c25d5560204da10a0.zip | |
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>
| -rw-r--r-- | virt/kvm/coalesced_mmio.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 88b2fe3ddf4..00d86427af0 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -154,17 +154,13 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm, list_add_tail(&dev->list, &kvm->coalesced_zones); mutex_unlock(&kvm->slots_lock); - return ret; + return 0; out_free_dev: mutex_unlock(&kvm->slots_lock); - kfree(dev); - if (dev == NULL) - return -ENXIO; - - return 0; + return ret; } int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm, |