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irqchip/mchp-eic: Fix return value check in mchp_eic_init()

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In case of error, the function of_iomap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211025050055.1129845-1-yangyingliang@huawei.com
This commit is contained in:
Yang Yingliang 2021-10-25 13:00:55 +08:00 committed by Marc Zyngier
parent 00fa3461c8
commit 68a6e0c63c
1 changed files with 1 additions and 1 deletions
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2
drivers/irqchip/irq-mchp-eic.c
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@ -209,7 +209,7 @@ static int mchp_eic_init(struct device_node *node, struct device_node *parent)
return -ENOMEM;
eic->base = of_iomap(node, 0);
if (IS_ERR(eic->base)) {
if (!eic->base) {
ret = -ENOMEM;
goto free;
}