irqchip/qcom: Fix u32 comparison with value less than zero
[ Upstream commite9990d70e8
] 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 Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -238,7 +238,7 @@ static int __init combiner_probe(struct platform_device *pdev)
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{
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struct combiner *combiner;
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size_t alloc_sz;
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u32 nregs;
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int nregs;
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int err;
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nregs = count_registers(pdev);
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