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Smatch complains because platform_get_resource() returns NULL on error and not an error pointer so the check is wrong. Julia Lawall pointed out that normally we don't check these, because devm_ioremap_resource() has a check for NULL. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>