From a87fa35514bcf17aeca97245574e3f735cec9074 Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Fri, 12 Mar 2010 12:59:06 +0800 Subject: KVM: fix the errno of ioctl KVM_[UN]REGISTER_COALESCED_MMIO failure This patch change the errno of ioctl KVM_[UN]REGISTER_COALESCED_MMIO from -EINVAL to -ENXIO if no coalesced mmio dev exists. Signed-off-by: Wei Yongjun Signed-off-by: Marcelo Tosatti --- virt/kvm/coalesced_mmio.c | 4 ++-- virt/kvm/kvm_main.c | 2 -- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c index 36e258029649..b66001f8754c 100644 --- a/virt/kvm/coalesced_mmio.c +++ b/virt/kvm/coalesced_mmio.c @@ -139,7 +139,7 @@ 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 +162,7 @@ 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); diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index b152b23cd095..0db6dfcc8420 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1609,7 +1609,6 @@ static long kvm_vm_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&zone, argp, sizeof zone)) goto out; - r = -ENXIO; r = kvm_vm_ioctl_register_coalesced_mmio(kvm, &zone); if (r) goto out; @@ -1621,7 +1620,6 @@ static long kvm_vm_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&zone, argp, sizeof zone)) goto out; - r = -ENXIO; r = kvm_vm_ioctl_unregister_coalesced_mmio(kvm, &zone); if (r) goto out; -- cgit v1.2.2