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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 17:16:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 17:16:21 -0700
commit98edb6ca4174f17a64890a02f44c211c8b44fb3c (patch)
tree033bc5f7da410046d28dd1cefcd2d63cda33d25b /virt/kvm/coalesced_mmio.c
parenta8251096b427283c47e7d8f9568be6b388dd68ec (diff)
parent8fbf065d625617bbbf6b72d5f78f84ad13c8b547 (diff)
Merge branch 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm
* 'kvm-updates/2.6.35' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (269 commits) KVM: x86: Add missing locking to arch specific vcpu ioctls KVM: PPC: Add missing vcpu_load()/vcpu_put() in vcpu ioctls KVM: MMU: Segregate shadow pages with different cr0.wp KVM: x86: Check LMA bit before set_efer KVM: Don't allow lmsw to clear cr0.pe KVM: Add cpuid.txt file KVM: x86: Tell the guest we'll warn it about tsc stability x86, paravirt: don't compute pvclock adjustments if we trust the tsc x86: KVM guest: Try using new kvm clock msrs KVM: x86: export paravirtual cpuid flags in KVM_GET_SUPPORTED_CPUID KVM: x86: add new KVMCLOCK cpuid feature KVM: x86: change msr numbers for kvmclock x86, paravirt: Add a global synchronization point for pvclock x86, paravirt: Enable pvclock flags in vcpu_time_info structure KVM: x86: Inject #GP with the right rip on efer writes KVM: SVM: Don't allow nested guest to VMMCALL into host KVM: x86: Fix exception reinjection forced to true KVM: Fix wallclock version writing race KVM: MMU: Don't read pdptrs with mmu spinlock held in mmu_alloc_roots KVM: VMX: enable VMXON check with SMX enabled (Intel TXT) ...
Diffstat (limited to 'virt/kvm/coalesced_mmio.c')
-rw-r--r--virt/kvm/coalesced_mmio.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 36e258029649..53850177163f 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -120,8 +120,10 @@ int kvm_coalesced_mmio_init(struct kvm *kvm)
return ret;
out_free_dev:
+ kvm->coalesced_mmio_dev = NULL;
kfree(dev);
out_free_page:
+ kvm->coalesced_mmio_ring = NULL;
__free_page(page);
out_err:
return ret;
@@ -139,7 +141,7 @@ int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
struct kvm_coalesced_mmio_dev *dev = kvm->coalesced_mmio_dev;
if (dev == NULL)
- return -EINVAL;
+ return -ENXIO;
mutex_lock(&kvm->slots_lock);
if (dev->nb_zones >= KVM_COALESCED_MMIO_ZONE_MAX) {
@@ -162,7 +164,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
struct kvm_coalesced_mmio_zone *z;
if (dev == NULL)
- return -EINVAL;
+ return -ENXIO;
mutex_lock(&kvm->slots_lock);