diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 16c300bdf2c8..7f4bc58a53b9 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -11,6 +11,9 @@ * Jason J. Herne <jjherne@us.ibm.com> */ +#define KMSG_COMPONENT "kvm-s390" +#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt + #include <linux/compiler.h> #include <linux/err.h> #include <linux/fs.h> @@ -44,10 +47,6 @@ #include "kvm-s390.h" #include "gaccess.h" -#define KMSG_COMPONENT "kvm-s390" -#undef pr_fmt -#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt - #define CREATE_TRACE_POINTS #include "trace.h" #include "trace-s390.h" @@ -417,19 +416,30 @@ static void kvm_s390_cpu_feat_init(void) int kvm_arch_init(void *opaque) { + int rc; + 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)) { - debug_unregister(kvm_s390_dbf); - return -ENOMEM; + rc = -ENOMEM; + goto out_debug_unreg; } kvm_s390_cpu_feat_init(); /* Register floating interrupt controller interface. */ - return kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC); + rc = kvm_register_device_ops(&kvm_flic_ops, KVM_DEV_TYPE_FLIC); + if (rc) { + pr_err("Failed to register FLIC rc=%d\n", rc); + goto out_debug_unreg; + } + return 0; + +out_debug_unreg: + debug_unregister(kvm_s390_dbf); + return rc; } void kvm_arch_exit(void) |