diff options
author | Janosch Frank <frankja@linux.ibm.com> | 2019-10-02 03:56:27 -0400 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2019-10-04 15:37:53 +0200 |
commit | f76f6371643b563a7168a6ba5713ce93caa36ecc (patch) | |
tree | 80749ae16db363b217a06f365c2fac80179897f5 /arch/s390/kvm | |
parent | 7775cbaa11153ec5489cfa31de95aa1b5f29310b (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/kvm')
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 18 |
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; } |