diff options
| author | Pierre Gondois <pierre.gondois@arm.com> | 2023-01-24 16:40:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-31 16:02:02 +0100 |
| commit | ecaef469920fd6d2c7687f19081946f47684a423 (patch) | |
| tree | 066e6ef43e8ef6bdc9138bf42a0bd4d4edb35504 /drivers/base/cacheinfo.c | |
| parent | 2b8e35337605ca581f777cad73d7a6ac2ccbf6ec (diff) | |
| download | lwn-ecaef469920fd6d2c7687f19081946f47684a423.tar.gz lwn-ecaef469920fd6d2c7687f19081946f47684a423.zip | |
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: 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/cacheinfo.c')
| -rw-r--r-- | drivers/base/cacheinfo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 418a18acc8f9..f6573c335f4c 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -424,7 +424,7 @@ 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) { |