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irqchip/aspeed-i2c-ic: Fix return value check in aspeed_i2c_ic_of_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..

Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Wei Yongjun 2017-10-11 10:50:23 +00:00 committed by Marc Zyngier
parent 215f4cc0fb
commit 7bdeb7f52b
1 changed files with 2 additions and 2 deletions
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4
drivers/irqchip/irq-aspeed-i2c-ic.c
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@ -76,8 +76,8 @@ static int __init aspeed_i2c_ic_of_init(struct device_node *node,
return -ENOMEM;
i2c_ic->base = of_iomap(node, 0);
if (IS_ERR(i2c_ic->base)) {
ret = PTR_ERR(i2c_ic->base);
if (!i2c_ic->base) {
ret = -ENOMEM;
goto err_free_ic;
}