tree:
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpica-osl
head: 3537ee81aa84bbcf47f7239f1053686d71bea47d
commit: 3537ee81aa84bbcf47f7239f1053686d71bea47d [3/3] ACPI: OSL: Define
ACPI_OS_MAP_MEMORY_FAST_PATH()
config: i386-randconfig-m021-20200611 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-13) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
Reported-by: Dan Carpenter <dan.carpenter(a)oracle.com>
smatch warnings:
drivers/acpi/osl.c:1608 acpi_release_memory() warn: ignoring unreachable code.
#
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git/commi...
git remote add pm
https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
git remote update pm
git checkout 3537ee81aa84bbcf47f7239f1053686d71bea47d
vim +1608 drivers/acpi/osl.c
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1599 acpi_status
acpi_release_memory(acpi_handle handle, struct resource *res,
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1600 u32 level)
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1601 {
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1602 if (!(res->flags &
IORESOURCE_MEM))
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1603 return AE_TYPE;
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1604
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1605 return
acpi_walk_namespace(ACPI_TYPE_REGION, handle, level,
^^^^^^
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1606 acpi_deactivate_mem_region,
NULL, res, NULL);
3537ee81aa84bb Rafael J. Wysocki 2020-06-10 1607
3537ee81aa84bb Rafael J. Wysocki 2020-06-10 @1608
acpi_release_unused_memory_mappings();
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Unreachable.
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1609 }
d2d2e3c46be5d6 Heikki Krogerus 2018-06-21 1610
EXPORT_SYMBOL_GPL(acpi_release_memory);
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org