From: Joerg Roedel <[email protected]> Allocate the irq data only in the loop.
Signed-off-by: Joerg Roedel <[email protected]> --- drivers/iommu/amd_iommu.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 658ee39..a158579 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3947,11 +3947,6 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq, if (ret < 0) return ret; - ret = -ENOMEM; - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) - goto out_free_parent; - if (info->type == X86_IRQ_ALLOC_TYPE_IOAPIC) { if (get_irq_table(devid, true)) index = info->ioapic_pin; @@ -3962,7 +3957,6 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq, } if (index < 0) { pr_warn("Failed to allocate IRTE\n"); - kfree(data); goto out_free_parent; } @@ -3974,17 +3968,18 @@ static int irq_remapping_alloc(struct irq_domain *domain, unsigned int virq, goto out_free_data; } - if (i > 0) { - data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) - goto out_free_data; - } + ret = -ENOMEM; + data = kzalloc(sizeof(*data), GFP_KERNEL); + if (!data) + goto out_free_data; + irq_data->hwirq = (devid << 16) + i; irq_data->chip_data = data; irq_data->chip = &amd_ir_chip; irq_remapping_prepare_irte(data, cfg, info, devid, index, i); irq_set_status_flags(virq + i, IRQ_MOVE_PCNTXT); } + return 0; out_free_data: -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
