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Diffstat (limited to 'arch/x86/kernel/apic/io_apic.c')
-rw-r--r--arch/x86/kernel/apic/io_apic.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 9d0a9795a0f8..81e08eff05ee 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2297,7 +2297,7 @@ int __ioapic_set_affinity(struct irq_data *data, const struct cpumask *mask,
int err;
if (!config_enabled(CONFIG_SMP))
- return -1;
+ return -EPERM;
if (!cpumask_intersects(mask, cpu_online_mask))
return -EINVAL;
@@ -2328,7 +2328,7 @@ int native_ioapic_set_affinity(struct irq_data *data,
int ret;
if (!config_enabled(CONFIG_SMP))
- return -1;
+ return -EPERM;
raw_spin_lock_irqsave(&ioapic_lock, flags);
ret = __ioapic_set_affinity(data, mask, &dest);
@@ -3001,9 +3001,11 @@ msi_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force)
struct irq_cfg *cfg = data->chip_data;
struct msi_msg msg;
unsigned int dest;
+ int ret;
- if (__ioapic_set_affinity(data, mask, &dest))
- return -1;
+ ret = __ioapic_set_affinity(data, mask, &dest);
+ if (ret)
+ return ret;
__get_cached_msi_msg(data->msi_desc, &msg);
@@ -3100,9 +3102,11 @@ dmar_msi_set_affinity(struct irq_data *data, const struct cpumask *mask,
struct irq_cfg *cfg = data->chip_data;
unsigned int dest, irq = data->irq;
struct msi_msg msg;
+ int ret;
- if (__ioapic_set_affinity(data, mask, &dest))
- return -1;
+ ret = __ioapic_set_affinity(data, mask, &dest);
+ if (ret)
+ return ret;
dmar_msi_read(irq, &msg);
@@ -3149,9 +3153,11 @@ static int hpet_msi_set_affinity(struct irq_data *data,
struct irq_cfg *cfg = data->chip_data;
struct msi_msg msg;
unsigned int dest;
+ int ret;
- if (__ioapic_set_affinity(data, mask, &dest))
- return -1;
+ ret = __ioapic_set_affinity(data, mask, &dest);
+ if (ret)
+ return ret;
hpet_msi_read(data->handler_data, &msg);
@@ -3218,9 +3224,11 @@ ht_set_affinity(struct irq_data *data, const struct cpumask *mask, bool force)
{
struct irq_cfg *cfg = data->chip_data;
unsigned int dest;
+ int ret;
- if (__ioapic_set_affinity(data, mask, &dest))
- return -1;
+ ret = __ioapic_set_affinity(data, mask, &dest);
+ if (ret)
+ return ret;
target_ht_irq(data->irq, dest, cfg->vector);
return IRQ_SET_MASK_OK_NOCOPY;