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Tang Bin authored
In the function devm_platform_ioremap_resource(), if get resource failed, the return value is ERR_PTR() not NULL. Thus it must be replaced by IS_ERR(), or else it may result in crashes if a critical error path is encountered. Fixes: 0ce5ebd2 ("mfd: ioc3: Add driver for SGI IOC3 chip") Signed-off-by:
Zhang Shengju <zhangshengju@cmss.chinamobile.com> Signed-off-by:
Tang Bin <tangbin@cmss.chinamobile.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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