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clocksource/drivers/timer-of: Check return value of of_iomap in timer…
…_of_base_init() [ Upstream commit 4467b8b ] of_base->base can either be iomapped using of_io_request_and_map() or of_iomap() depending whether or not an of_base->name has been set. Thus check of_base->base against NULL as of_iomap() does not return a PTR_ERR() in case of error. Fixes: 9aea417 ("clocksource/drivers/timer-of: Don't request the resource by name") Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> Link: https://lore.kernel.org/r/20220307172656.4836-1-granquet@baylibre.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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