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authorJanosch Frank <frankja@linux.ibm.com>2019-10-02 03:56:27 -0400
committerChristian Borntraeger <borntraeger@de.ibm.com>2019-10-04 15:37:53 +0200
commitf76f6371643b563a7168a6ba5713ce93caa36ecc (patch)
tree80749ae16db363b217a06f365c2fac80179897f5 /arch/s390
parent7775cbaa11153ec5489cfa31de95aa1b5f29310b (diff)
KVM: s390: Cleanup kvm_arch_init error path
Both kvm_s390_gib_destroy and debug_unregister test if the needed pointers are not NULL and hence can be called unconditionally. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Link: https://lore.kernel.org/kvm/20191002075627.3582-1-frankja@linux.ibm.com Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index f6db0f1bc867..40af442b2e15 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -453,16 +453,14 @@ static void kvm_s390_cpu_feat_init(void)
int kvm_arch_init(void *opaque)
{
- int rc;
+ int rc = -ENOMEM;
kvm_s390_dbf = debug_register("kvm-trace", 32, 1, 7 * sizeof(long));
if (!kvm_s390_dbf)
return -ENOMEM;
- if (debug_register_view(kvm_s390_dbf, &debug_sprintf_view)) {
- rc = -ENOMEM;
- goto out_debug_unreg;
- }
+ if (debug_register_view(kvm_s390_dbf, &debug_sprintf_view))
+ goto out;
kvm_s390_cpu_feat_init();
@@ -470,19 +468,17 @@ int kvm_arch_init(void *opaque)
rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC);
if (rc) {
pr_err("A FLIC registration call failed with rc=%d\n", rc);
- goto out_debug_unreg;
+ goto out;
}
rc = kvm_s390_gib_init(GAL_ISC);
if (rc)
- goto out_gib_destroy;
+ goto out;
return 0;
-out_gib_destroy:
- kvm_s390_gib_destroy();
-out_debug_unreg:
- debug_unregister(kvm_s390_dbf);
+out:
+ kvm_arch_exit();
return rc;
}