KVM: x86: Propagate fpu_alloc errors
Memory allocation may fail. Propagate such errors.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 033b9c2..e6e0d77 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5114,12 +5114,19 @@
return 0;
}
-void fx_init(struct kvm_vcpu *vcpu)
+int fx_init(struct kvm_vcpu *vcpu)
{
- fpu_alloc(&vcpu->arch.guest_fpu);
+ int err;
+
+ err = fpu_alloc(&vcpu->arch.guest_fpu);
+ if (err)
+ return err;
+
fpu_finit(&vcpu->arch.guest_fpu);
vcpu->arch.cr0 |= X86_CR0_ET;
+
+ return 0;
}
EXPORT_SYMBOL_GPL(fx_init);