[PULL 02/11] i386/kvm: The value passed to strerror should be positive

[Laurent Vivier <laurent@vivier.eu>]

From: Dmitry Voronetskiy <vda1999@yandex.ru>

Signed-off-by: Dmitry Voronetskiy <vda1999@yandex.ru>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210519113528.12474-1-davoronetskiy@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/i386/kvm/apic.c   |  2 +-
 hw/i386/kvm/clock.c  |  4 ++--
 hw/i386/kvm/i8254.c  | 10 +++++-----
 hw/i386/kvm/i8259.c  |  4 ++--
 hw/i386/kvm/ioapic.c |  4 ++--
 5 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 52ff49091000..1e89ca0899c2 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -145,7 +145,7 @@ static void kvm_apic_put(CPUState *cs, run_on_cpu_data data)
 
     ret = kvm_vcpu_ioctl(CPU(s->cpu), KVM_SET_LAPIC, &kapic);
     if (ret < 0) {
-        fprintf(stderr, "KVM_SET_LAPIC failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_SET_LAPIC failed: %s\n", strerror(-ret));
         abort();
     }
 }
diff --git a/hw/i386/kvm/clock.c b/hw/i386/kvm/clock.c
index efbc1e0d12c2..df70b4a0338a 100644
--- a/hw/i386/kvm/clock.c
+++ b/hw/i386/kvm/clock.c
@@ -105,7 +105,7 @@ static void kvm_update_clock(KVMClockState *s)
 
     ret = kvm_vm_ioctl(kvm_state, KVM_GET_CLOCK, &data);
     if (ret < 0) {
-        fprintf(stderr, "KVM_GET_CLOCK failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_GET_CLOCK failed: %s\n", strerror(-ret));
                 abort();
     }
     s->clock = data.clock;
@@ -189,7 +189,7 @@ static void kvmclock_vm_state_change(void *opaque, bool running,
         data.clock = s->clock;
         ret = kvm_vm_ioctl(kvm_state, KVM_SET_CLOCK, &data);
         if (ret < 0) {
-            fprintf(stderr, "KVM_SET_CLOCK failed: %s\n", strerror(ret));
+            fprintf(stderr, "KVM_SET_CLOCK failed: %s\n", strerror(-ret));
             abort();
         }
 
diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c
index c558893961ba..fa68669e8a59 100644
--- a/hw/i386/kvm/i8254.c
+++ b/hw/i386/kvm/i8254.c
@@ -104,7 +104,7 @@ static void kvm_pit_get(PITCommonState *pit)
     if (kvm_has_pit_state2()) {
         ret = kvm_vm_ioctl(kvm_state, KVM_GET_PIT2, &kpit);
         if (ret < 0) {
-            fprintf(stderr, "KVM_GET_PIT2 failed: %s\n", strerror(ret));
+            fprintf(stderr, "KVM_GET_PIT2 failed: %s\n", strerror(-ret));
             abort();
         }
         pit->channels[0].irq_disabled = kpit.flags & KVM_PIT_FLAGS_HPET_LEGACY;
@@ -115,7 +115,7 @@ static void kvm_pit_get(PITCommonState *pit)
          */
         ret = kvm_vm_ioctl(kvm_state, KVM_GET_PIT, &kpit);
         if (ret < 0) {
-            fprintf(stderr, "KVM_GET_PIT failed: %s\n", strerror(ret));
+            fprintf(stderr, "KVM_GET_PIT failed: %s\n", strerror(-ret));
             abort();
         }
     }
@@ -180,7 +180,7 @@ static void kvm_pit_put(PITCommonState *pit)
     if (ret < 0) {
         fprintf(stderr, "%s failed: %s\n",
                 kvm_has_pit_state2() ? "KVM_SET_PIT2" : "KVM_SET_PIT",
-                strerror(ret));
+                strerror(-ret));
         abort();
     }
 }
@@ -272,7 +272,7 @@ static void kvm_pit_realizefn(DeviceState *dev, Error **errp)
     }
     if (ret < 0) {
         error_setg(errp, "Create kernel PIC irqchip failed: %s",
-                   strerror(ret));
+                   strerror(-ret));
         return;
     }
     switch (s->lost_tick_policy) {
@@ -286,7 +286,7 @@ static void kvm_pit_realizefn(DeviceState *dev, Error **errp)
             if (ret < 0) {
                 error_setg(errp,
                            "Can't disable in-kernel PIT reinjection: %s",
-                           strerror(ret));
+                           strerror(-ret));
                 return;
             }
         }
diff --git a/hw/i386/kvm/i8259.c b/hw/i386/kvm/i8259.c
index 3f8bf69e9ca4..d61bae4dc359 100644
--- a/hw/i386/kvm/i8259.c
+++ b/hw/i386/kvm/i8259.c
@@ -43,7 +43,7 @@ static void kvm_pic_get(PICCommonState *s)
     chip.chip_id = s->master ? KVM_IRQCHIP_PIC_MASTER : KVM_IRQCHIP_PIC_SLAVE;
     ret = kvm_vm_ioctl(kvm_state, KVM_GET_IRQCHIP, &chip);
     if (ret < 0) {
-        fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(-ret));
         abort();
     }
 
@@ -96,7 +96,7 @@ static void kvm_pic_put(PICCommonState *s)
 
     ret = kvm_vm_ioctl(kvm_state, KVM_SET_IRQCHIP, &chip);
     if (ret < 0) {
-        fprintf(stderr, "KVM_SET_IRQCHIP failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_SET_IRQCHIP failed: %s\n", strerror(-ret));
         abort();
     }
 }
diff --git a/hw/i386/kvm/ioapic.c b/hw/i386/kvm/ioapic.c
index 71a563181e03..ee7c8ef68bea 100644
--- a/hw/i386/kvm/ioapic.c
+++ b/hw/i386/kvm/ioapic.c
@@ -62,7 +62,7 @@ static void kvm_ioapic_get(IOAPICCommonState *s)
     chip.chip_id = KVM_IRQCHIP_IOAPIC;
     ret = kvm_vm_ioctl(kvm_state, KVM_GET_IRQCHIP, &chip);
     if (ret < 0) {
-        fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_GET_IRQCHIP failed: %s\n", strerror(-ret));
         abort();
     }
 
@@ -95,7 +95,7 @@ static void kvm_ioapic_put(IOAPICCommonState *s)
 
     ret = kvm_vm_ioctl(kvm_state, KVM_SET_IRQCHIP, &chip);
     if (ret < 0) {
-        fprintf(stderr, "KVM_SET_IRQCHIP failed: %s\n", strerror(ret));
+        fprintf(stderr, "KVM_SET_IRQCHIP failed: %s\n", strerror(-ret));
         abort();
     }
 }
-- 
2.31.1