Messages in this thread Patch in this message | | | From | Peng Hao <> | Subject | [PATCH] irqchip: irq-gic-v4: return real error code | Date | Mon, 19 Mar 2018 19:38:14 +0800 |
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__irq_domain_alloc_irqs will return some different error code, so we should return real error code in its_alloc_vcpu_irqs.
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn> --- drivers/irqchip/irq-gic-v4.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/irqchip/irq-gic-v4.c b/drivers/irqchip/irq-gic-v4.c index dba9d67..ecd170d 100644 --- a/drivers/irqchip/irq-gic-v4.c +++ b/drivers/irqchip/irq-gic-v4.c @@ -99,7 +99,7 @@ int its_alloc_vcpu_irqs(struct its_vm *vm) { - int vpe_base_irq, i; + int vpe_base_irq, i, ret = -ENOMEM; vm->fwnode = irq_domain_alloc_named_id_fwnode("GICv4-vpe", task_pid_nr(current)); @@ -120,8 +120,10 @@ int its_alloc_vcpu_irqs(struct its_vm *vm) vpe_base_irq = __irq_domain_alloc_irqs(vm->domain, -1, vm->nr_vpes, NUMA_NO_NODE, vm, false, NULL); - if (vpe_base_irq <= 0) + if (vpe_base_irq <= 0) { + ret = vpe_base_irq; goto err; + } for (i = 0; i < vm->nr_vpes; i++) vm->vpes[i]->irq = vpe_base_irq + i; @@ -134,7 +136,7 @@ int its_alloc_vcpu_irqs(struct its_vm *vm) if (vm->fwnode) irq_domain_free_fwnode(vm->fwnode); - return -ENOMEM; + return ret; } void its_free_vcpu_irqs(struct its_vm *vm) -- 1.8.3.1
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