irqchip/ompic: fix return value check in ompic_of_init()
In case of error, the function ioremap() returns NULL pointer not
ERR_PTR(). The IS_ERR() test in the return value check should be
replaced with NULL test.
Fixes: 9b54470afd
("irqchip: add initial support for ompic")
Acked-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
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404e6bea10
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@ -171,9 +171,9 @@ static int __init ompic_of_init(struct device_node *node,
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/* Setup the device */
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ompic_base = ioremap(res.start, resource_size(&res));
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if (IS_ERR(ompic_base)) {
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if (!ompic_base) {
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pr_err("ompic: unable to map registers");
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return PTR_ERR(ompic_base);
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return -ENOMEM;
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}
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irq = irq_of_parse_and_map(node, 0);
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