Merge remote-tracking branch 'torvalds/master' into perf/core

[linux-2.6-microblaze.git] / arch / x86 / kvm / svm / sev.c

diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index e0ce5da..8d36f0c 100644 (file)
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -199,9 +199,19 @@ static void sev_asid_free(struct kvm_sev_info *sev)
        sev->misc_cg = NULL;
 }
 
-static void sev_unbind_asid(struct kvm *kvm, unsigned int handle)
+static void sev_decommission(unsigned int handle)
 {
        struct sev_data_decommission decommission;
+
+       if (!handle)
+               return;
+
+       decommission.handle = handle;
+       sev_guest_decommission(&decommission, NULL);
+}
+
+static void sev_unbind_asid(struct kvm *kvm, unsigned int handle)
+{
        struct sev_data_deactivate deactivate;
 
        if (!handle)
@@ -214,9 +224,7 @@ static void sev_unbind_asid(struct kvm *kvm, unsigned int handle)
        sev_guest_deactivate(&deactivate, NULL);
        up_read(&sev_deactivate_lock);
 
-       /* decommission handle */
-       decommission.handle = handle;
-       sev_guest_decommission(&decommission, NULL);
+       sev_decommission(handle);
 }
 
 static int sev_guest_init(struct kvm *kvm, struct kvm_sev_cmd *argp)
@@ -341,8 +349,10 @@ static int sev_launch_start(struct kvm *kvm, struct kvm_sev_cmd *argp)
 
        /* Bind ASID to this guest */
        ret = sev_bind_asid(kvm, start.handle, error);
-       if (ret)
+       if (ret) {
+               sev_decommission(start.handle);
                goto e_free_session;
+       }
 
        /* return handle to userspace */
        params.handle = start.handle;