From: Maurus Cuelenaere Date: Fri, 22 Jan 2010 22:29:16 +0000 (+0100) Subject: ARM: SAMSUNG: Fix null pointer dereference in ADC driver X-Git-Tag: upstream/snapshot3+hdmi~15090^2~3^2~47 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f6b56704f78b2667fc8f61d2f398931fbc032b62;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git ARM: SAMSUNG: Fix null pointer dereference in ADC driver ARM: SAMSUNG: Fix null pointer dereference in ADC driver Use struct adc_device instead of relying on client (which could be NULL) when checking for SoC type. Signed-off-by: Maurus Cuelenaere Signed-off-by: Ben Dooks --- diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index 120b790..c7659b7 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -295,7 +295,7 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw) } exit: - if (platform_get_device_id(client->pdev)->driver_data == TYPE_S3C64XX) { + if (platform_get_device_id(adc->pdev)->driver_data == TYPE_S3C64XX) { /* Clear ADC interrupt */ writel(0, adc->regs + S3C64XX_ADCCLRINT); }