Commit 9eb41c52 authored by Al Viro's avatar Al Viro
Browse files

x86: kvm_hv_set_msr(): use __put_user() instead of 32bit __clear_user() 



Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 5ea75ae6

arch/x86/kvm/hyperv.c

+1 −1
Original line number Diff line number Diff line
@@ -1129,7 +1129,7 @@ static int kvm_hv_set_msr(struct kvm_vcpu *vcpu, u32 msr, u64 data, bool host) 
		 * only, there can be valuable data in the rest which needs

		 * to be preserved e.g. on migration.

		 */

		if (__clear_user((void __user *)addr, sizeof(u32)))

		if (__put_user(0, (u32 __user *)addr))

			return 1;

		hv_vcpu->hv_vapic = data;

		kvm_vcpu_mark_page_dirty(vcpu, gfn);