From: Tang Bin
Date: Wed, 20 May 2020 17:55:32 +0800
> 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
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: 0ce5ebd24d25 ("mfd: ioc3: Add driver for SGI IOC3 chip")
Signed-o