[PATCH] misc: atmel-ssc: fix error check return value of platform_get_irq()

[Codrin.Ciubotariu at microchip.com]

On 13.04.2022 12:32, cgel.zte at gmail.com wrote:
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> From: Lv Ruyi <lv.ruyi at zte.com.cn>
> 
> platform_get_irq() return negative value on failure, so null check of
> ssc->irq is incorrect. Fix it by comparing whether it is less than zero.
> 
> Reported-by: Zeal Robot <zealci at zte.com.cn>
> Signed-off-by: Lv Ruyi <lv.ruyi at zte.com.cn>

Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu at microchip.com>

Thanks!