[PATCH 3.15 006/139] extcon: max14577: Properly handle regmap_irq_get_virq error
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2014-06-28 17:51:22
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3.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Krzysztof Kozlowski <redacted> commit 369afd4ba22f5b8de0c9229b6e62b3f9e2207034 upstream. The regmap_irq_get_virq may return 0 or -EINVAL on error. Fail the probe in both situations. Signed-off-by: Krzysztof Kozlowski <redacted> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/extcon/extcon-max14577.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c@@ -650,7 +650,7 @@ static int max14577_muic_probe(struct pl unsigned int virq = 0; virq = regmap_irq_get_virq(max14577->irq_data, muic_irq->irq); - if (!virq) + if (virq <= 0) return -EINVAL; muic_irq->virq = virq;