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| author | Krzysztof Kozlowski <krzk@kernel.org> | 2019-10-04 17:07:38 +0200 |
|---|---|---|
| committer | Sebastian Reichel <sre@kernel.org> | 2019-10-20 15:18:44 +0200 |
| commit | b10e97003d28f6c83edd79e17dfec91acfbb7377 (patch) | |
| tree | 94c8d7ada292b18dd8def67c664c488636aebd55 /drivers/power/supply/ab8500_fg.c | |
| parent | 24108993278d67174a61f9ead38d4d9d1c001a14 (diff) | |
| download | linux-stable-b10e97003d28f6c83edd79e17dfec91acfbb7377.tar.gz linux-stable-b10e97003d28f6c83edd79e17dfec91acfbb7377.tar.bz2 linux-stable-b10e97003d28f6c83edd79e17dfec91acfbb7377.zip | |
power: supply: ab8500: Handle invalid IRQ from platform_get_irq_byname()
platform_get_irq_byname() might return -errno which later would be
cast to an unsigned int and used in request_irq().
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/supply/ab8500_fg.c')
| -rw-r--r-- | drivers/power/supply/ab8500_fg.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 8a81728749eb..c3912ee9eb99 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -3158,6 +3158,11 @@ static int ab8500_fg_probe(struct platform_device *pdev) /* Register primary interrupt handlers */ for (i = 0; i < ARRAY_SIZE(ab8500_fg_irq_th); i++) { irq = platform_get_irq_byname(pdev, ab8500_fg_irq_th[i].name); + if (irq < 0) { + ret = irq; + goto free_irq_th; + } + ret = request_irq(irq, ab8500_fg_irq_th[i].isr, IRQF_SHARED | IRQF_NO_SUSPEND, ab8500_fg_irq_th[i].name, di); @@ -3173,6 +3178,11 @@ static int ab8500_fg_probe(struct platform_device *pdev) /* Register threaded interrupt handler */ irq = platform_get_irq_byname(pdev, ab8500_fg_irq_bh[0].name); + if (irq < 0) { + ret = irq; + goto free_irq_th; + } + ret = request_threaded_irq(irq, NULL, ab8500_fg_irq_bh[0].isr, IRQF_SHARED | IRQF_NO_SUSPEND | IRQF_ONESHOT, ab8500_fg_irq_bh[0].name, di); |