Smatch reports this repesentative issue bgrt.c:26:1: warning: symbol 'bgrt_attr_version' was not declared. Should it be static? Similar for *status,type,xoffset,yoffset These variables are defined with the BGRT_SHOW macro. For the definition of bgrt_attr_##_name, the storage-class specifier should be static Signed-off-by: Tom Rix <trix@xxxxxxxxxx> --- drivers/acpi/bgrt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c index 02d208732f9a..e4fb9e225ddf 100644 --- a/drivers/acpi/bgrt.c +++ b/drivers/acpi/bgrt.c @@ -21,7 +21,7 @@ static struct kobject *bgrt_kobj; { \ return sysfs_emit(buf, "%d\n", bgrt_tab._member); \ } \ - struct kobj_attribute bgrt_attr_##_name = __ATTR_RO(_name) + static struct kobj_attribute bgrt_attr_##_name = __ATTR_RO(_name) BGRT_SHOW(version, version); BGRT_SHOW(status, status); -- 2.27.0