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irqchip/qcom: Fix u32 comparison with value less than zero

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The comparison of u32 nregs being less than zero is never true since
nregs is unsigned. Fix this by making nregs a signed integer.

Fixes: f20cc9b00c ("irqchip/qcom: Add IRQ combiner driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: kernel-janitors@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>
Link: https://lkml.kernel.org/r/20171117183553.2739-1-colin.king@canonical.com
This commit is contained in:
Colin Ian King 2017-11-17 18:35:53 +00:00 committed by Thomas Gleixner
parent 0e54705b0e
commit e9990d70e8
1 changed files with 1 additions and 1 deletions
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drivers/irqchip/qcom-irq-combiner.c
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@ -238,7 +238,7 @@ static int __init combiner_probe(struct platform_device *pdev)
{
struct combiner *combiner;
size_t alloc_sz;
u32 nregs;
int nregs;
int err;
nregs = count_registers(pdev);