From fef8ce166b2d5cdba8bbf85fa48c4cb8d75ffec4 Mon Sep 17 00:00:00 2001
From: Libo Chen <clbchenlibo.chen@huawei.com>
Date: Tue, 9 Jul 2013 20:34:28 +0800
Subject: [PATCH] x86 platform drivers: fix gpio leak
when request_irq fails, we should release gpiochip
v2:
fix warning: ignoring return value of 'gpiochip_remove
Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
---
drivers/platform/x86/intel_pmic_gpio.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/intel_pmic_gpio.c b/drivers/platform/x86/intel_pmic_gpio.c
index 6f4b7289a059..2805988485f6 100644
--- a/drivers/platform/x86/intel_pmic_gpio.c
+++ b/drivers/platform/x86/intel_pmic_gpio.c
@@ -288,7 +288,7 @@ static int platform_pmic_gpio_probe(struct platform_device *pdev)
retval = request_irq(pg->irq, pmic_irq_handler, 0, "pmic", pg);
if (retval) {
pr_warn("Interrupt request failed\n");
- goto err;
+ goto fail_request_irq;
}
for (i = 0; i < 8; i++) {
@@ -299,6 +299,10 @@ static int platform_pmic_gpio_probe(struct platform_device *pdev)
irq_set_chip_data(i + pg->irq_base, pg);
}
return 0;
+
+fail_request_irq:
+ if (gpiochip_remove(&pg->chip))
+ pr_err("gpiochip_remove failed\n");
err:
iounmap(pg->gpiointr);
err2:
--
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