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    Subject[PATCH 17/42] KVM: Return -ENOTTY on unrecognized ioctls
    Date
    Not the incorrect -EINVAL.

    Signed-off-by: Avi Kivity <avi@redhat.com>
    ---
    arch/ia64/kvm/kvm-ia64.c | 2 +-
    arch/powerpc/kvm/powerpc.c | 2 +-
    arch/s390/kvm/kvm-s390.c | 2 +-
    arch/x86/kvm/x86.c | 2 +-
    4 files changed, 4 insertions(+), 4 deletions(-)

    diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
    index f534e0f..f6471c8 100644
    --- a/arch/ia64/kvm/kvm-ia64.c
    +++ b/arch/ia64/kvm/kvm-ia64.c
    @@ -941,7 +941,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
    {
    struct kvm *kvm = filp->private_data;
    void __user *argp = (void __user *)arg;
    - int r = -EINVAL;
    + int r = -ENOTTY;

    switch (ioctl) {
    case KVM_SET_MEMORY_REGION: {
    diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
    index 2a4551f..95af622 100644
    --- a/arch/powerpc/kvm/powerpc.c
    +++ b/arch/powerpc/kvm/powerpc.c
    @@ -421,7 +421,7 @@ long kvm_arch_vm_ioctl(struct file *filp,

    switch (ioctl) {
    default:
    - r = -EINVAL;
    + r = -ENOTTY;
    }

    return r;
    diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
    index 07ced89..00e2ce8 100644
    --- a/arch/s390/kvm/kvm-s390.c
    +++ b/arch/s390/kvm/kvm-s390.c
    @@ -150,7 +150,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
    break;
    }
    default:
    - r = -EINVAL;
    + r = -ENOTTY;
    }

    return r;
    diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
    index 5beb4c1..829e306 100644
    --- a/arch/x86/kvm/x86.c
    +++ b/arch/x86/kvm/x86.c
    @@ -2176,7 +2176,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
    {
    struct kvm *kvm = filp->private_data;
    void __user *argp = (void __user *)arg;
    - int r = -EINVAL;
    + int r = -ENOTTY;
    /*
    * This union makes it completely explicit to gcc-3.x
    * that these two variables' stack usage should be
    --
    1.6.5.2


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