From: Pierre Gondois pierre.gondois@arm.com
[ Upstream commit ecaef469920fd6d2c7687f19081946f47684a423 ]
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: 5944ce092b97 ("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 --- drivers/base/cacheinfo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index cd943d06d074..26ae36f2ff58 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -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) {