[PATCH] clk: bcm2835: fix check of error code returned by devm_ioremap_resource()

[Stephen Boyd]

On 03/06, Vladimir Zapolskiy wrote:
> The change fixes potential oops while accessing iomem on invalid
> address, if devm_ioremap_resource() fails due to some reason.
> 
> The devm_ioremap_resource() function returns ERR_PTR() and never
> returns NULL, which makes useless a following check for NULL.
> 
> Signed-off-by: Vladimir Zapolskiy <vz at mleia.com>
> Fixes: 5e63dcc74b30 ("clk: bcm2835: Add a driver for the auxiliary peripheral clock gates")
> ---

Applied to clk-next

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