Messages in this thread Patch in this message | | | From | Sachin Kamat <> | Subject | [PATCH 4/7] extcon: max8997: Fix incorrect error check and return value | Date | Tue, 20 Nov 2012 10:52:40 +0530 |
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irq_create_mapping() returns 0 if it fails to provide a valid irq number. 'ret' needs to be updated with a negative error code before returning from probe to signal probe failure. While at it, also corrected the 'virq' type to unsigned from signed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> --- drivers/extcon/extcon-max8997.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c index af8a5bc..ffdbe8c 100644 --- a/drivers/extcon/extcon-max8997.c +++ b/drivers/extcon/extcon-max8997.c @@ -450,11 +450,13 @@ static int __devinit max8997_muic_probe(struct platform_device *pdev) for (i = 0; i < ARRAY_SIZE(muic_irqs); i++) { struct max8997_muic_irq *muic_irq = &muic_irqs[i]; - int virq = 0; + unsigned int virq = 0; virq = irq_create_mapping(max8997->irq_domain, muic_irq->irq); - if (!virq) + if (!virq) { + ret = -EINVAL; goto err_irq; + } muic_irq->virq = virq; ret = request_threaded_irq(virq, NULL, max8997_muic_irq_handler, -- 1.7.4.1
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