Use resource_size function on resource object Underneath __request_region set res->end to start + n - 1 Lets use resourse_size to set value properly.
Signed-off-by: Vasyl Gomonovych <[email protected]> --- drivers/acpi/apei/apei-base.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index da370e1..af712a8 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -506,8 +506,7 @@ int apei_resources_request(struct apei_resources *resources, rc = -EINVAL; list_for_each_entry(res, &resources->iomem, list) { - r = request_mem_region(res->start, res->end - res->start, - desc); + r = request_mem_region(res->start, resource_size(res), desc); if (!r) { pr_err(APEI_PFX "Can not request [mem %#010llx-%#010llx] for %s registers\n", @@ -519,7 +518,7 @@ int apei_resources_request(struct apei_resources *resources, } list_for_each_entry(res, &resources->ioport, list) { - r = request_region(res->start, res->end - res->start, desc); + r = request_region(res->start, resource_size(res), desc); if (!r) { pr_err(APEI_PFX "Can not request [io %#06llx-%#06llx] for %s registers\n", @@ -542,14 +541,14 @@ int apei_resources_request(struct apei_resources *resources, list_for_each_entry(res, &resources->ioport, list) { if (res == res_bak) break; - release_region(res->start, res->end - res->start); + release_region(res->start, resource_size(res)); } res_bak = NULL; err_unmap_iomem: list_for_each_entry(res, &resources->iomem, list) { if (res == res_bak) break; - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, resource_size(res)); } arch_res_fini: if (arch_apei_filter_addr) @@ -566,9 +565,9 @@ void apei_resources_release(struct apei_resources *resources) struct apei_res *res; list_for_each_entry(res, &resources->iomem, list) - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, resource_size(res)); list_for_each_entry(res, &resources->ioport, list) - release_region(res->start, res->end - res->start); + release_region(res->start, resource_size(res)); rc = apei_resources_sub(&apei_resources_all, resources); if (rc) -- 1.9.1
