On Tue, Nov 10, 2020 at 12:29:42AM -0800, yaoaili126@xxxxxxx wrote: > From: Aili Yao <yaoaili@xxxxxxxxxxxx> > > >From commit 6915564dc5a8 ("ACPI: OSL: Change the type of > acpi_os_map_generic_address() return value"), > acpi_os_map_generic_address() will return logical address or NULL for > error, but for ACPI_ADR_SPACE_SYSTEM_IO case, it should be also return 0, > as it's a normal case, but now it will return -ENXIO. so check it out for > such case to avoid einj module initialization fail. > > Fixes: 6915564dc5a8 ("ACPI: OSL: Change the type of > acpi_os_map_generic_address() return value") > Cc: <stable@xxxxxxxxxxxxxxx> > Reviewed-by: James Morse <james.morse@xxxxxxx> > Tested-by: Tony Luck <tony.luck@xxxxxxxxx> > Signed-off-by: Aili Yao <yaoaili@xxxxxxxxxxxx> > --- > drivers/acpi/apei/apei-base.c | 4 ++++ > 1 file changed, 4 insertions(+) I'm confused as to what you are asking us to do with this patch? Have you read: https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html for how to do this properly? thanks, greg k-h