summaryrefslogtreecommitdiffstats
path: root/virt
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2017-09-03 21:45:17 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2017-09-19 17:56:01 -0400
commit3968cf623892d710e651070243fd16af312a9797 (patch)
tree273164e59b53074a9330aa12d2764d0fc28ea245 /virt
parentb8e8e1aa9f14110da180569908bbe538c9e9dc63 (diff)
downloadlinux-3968cf623892d710e651070243fd16af312a9797.tar.gz
linux-3968cf623892d710e651070243fd16af312a9797.tar.bz2
linux-3968cf623892d710e651070243fd16af312a9797.zip
get_compat_sigset()
similar to put_compat_sigset() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'virt')
-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 9deb5a245b83..99bfe50a0589 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);