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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-02-18 17:32:46 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-06-03 16:59:35 -0400 |
| commit | 9eb41c521465f62332dfddcd399412fdff9c062b (patch) | |
| tree | a26f9c8063048d7dfad84269954a82a710ca3b5a /arch/x86/kvm | |
| parent | 5ea75ae6ae60d13dfa35fd5d2e2a81824cba6662 (diff) | |
| download | linux-9eb41c521465f62332dfddcd399412fdff9c062b.tar.gz linux-9eb41c521465f62332dfddcd399412fdff9c062b.tar.bz2 linux-9eb41c521465f62332dfddcd399412fdff9c062b.zip | |
x86: kvm_hv_set_msr(): use __put_user() instead of 32bit __clear_user()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/kvm')
| -rw-r--r-- | arch/x86/kvm/hyperv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c index bcefa9d4e57e..b85b211d4676 100644 --- a/arch/x86/kvm/hyperv.c +++ b/arch/x86/kvm/hyperv.c @@ -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); |