Commit ecaef469 authored by Pierre Gondois's avatar Pierre Gondois Committed by Greg Kroah-Hartman
Browse files

cacheinfo: Initialize variables in fetch_cache_info() 



Set potentially uninitialized variables to 0. This is particularly
relevant when CONFIG_ACPI_PPTT is not set.

Reported-by: default avatarkernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202301052307.JYt1GWaJ-lkp@intel.com/


Reported-by: default avatarDan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/all/Y86iruJPuwNN7rZw@kili/


Fixes: 5944ce09 ("arch_topology: Build cacheinfo from primary CPU")
Signed-off-by: default avatarPierre Gondois <pierre.gondois@arm.com>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230124154053.355376-2-pierre.gondois@arm.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2b8e3533

drivers/base/cacheinfo.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -424,7 +424,7 @@ int allocate_cache_info(int cpu) 
int fetch_cache_info(unsigned int cpu)

int fetch_cache_info(unsigned int cpu)

{

{

	struct cpu_cacheinfo *this_cpu_ci;

	struct cpu_cacheinfo *this_cpu_ci;

	unsigned int levels, split_levels;

	unsigned int levels = 0, split_levels = 0;

	int ret;

	int ret;





	if (acpi_disabled) {

	if (acpi_disabled) {