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cacheinfo: Initialize variables in fetch_cache_info()

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[ Upstream commit ecaef46992 ]

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

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/all/202301052307.JYt1GWaJ-lkp@intel.com/
Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/all/Y86iruJPuwNN7rZw@kili/
Fixes: 5944ce092b ("arch_topology: Build cacheinfo from primary CPU")
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230124154053.355376-2-pierre.gondois@arm.com
Signed-off-by: Wen Yang <wen.yang@linux.dev>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pierre Gondois
2025-12-07 06:12:13 +09:00
committed by Greg Kroah-Hartman
parent 22def0b492
commit fc6572e48c
1 changed files with 1 additions and 1 deletions
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drivers/base/cacheinfo.c
+1 -1
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@@ -440,7 +440,7 @@ int allocate_cache_info(int cpu)
int fetch_cache_info(unsigned int cpu)
{
struct cpu_cacheinfo *this_cpu_ci;
unsigned int levels, split_levels;
unsigned int levels = 0, split_levels = 0;
int ret;
if (acpi_disabled) {