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-rw-r--r--virt/kvm/kvm_main.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 2dd1a9ca4599..f169ecc4f2e8 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2724,7 +2724,6 @@ static long kvm_vcpu_compat_ioctl(struct file *filp,
case KVM_SET_SIGNAL_MASK: {
struct kvm_signal_mask __user *sigmask_arg = argp;
struct kvm_signal_mask kvm_sigmask;
- compat_sigset_t csigset;
sigset_t sigset;
if (argp) {
@@ -2733,13 +2732,11 @@ static long kvm_vcpu_compat_ioctl(struct file *filp,
sizeof(kvm_sigmask)))
goto out;
r = -EINVAL;
- if (kvm_sigmask.len != sizeof(csigset))
+ if (kvm_sigmask.len != sizeof(compat_sigset_t))
goto out;
r = -EFAULT;
- if (copy_from_user(&csigset, sigmask_arg->sigset,
- sizeof(csigset)))
+ if (get_compat_sigset(&sigset, (void *)sigmask_arg->sigset))
goto out;
- sigset_from_compat(&sigset, &csigset);
r = kvm_vcpu_ioctl_set_sigmask(vcpu, &sigset);
} else
r = kvm_vcpu_ioctl_set_sigmask(vcpu, NULL);