From: Pierre Gondois <pierre.gondois@arm.com>
To: linux-kernel@vger.kernel.org
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
Conor Dooley <conor.dooley@microchip.com>,
Dan Carpenter <error27@gmail.com>,
Pierre Gondois <pierre.gondois@arm.com>,
kernel test robot <lkp@intel.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Sudeep Holla <sudeep.holla@arm.com>,
Palmer Dabbelt <palmer@rivosinc.com>,
Oliver Upton <oliver.upton@linux.dev>,
Akihiko Odaki <akihiko.odaki@daynix.com>,
Gavin Shan <gshan@redhat.com>,
Jeremy Linton <jeremy.linton@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH -next v2 1/3] cacheinfo: Initialize variables in fetch_cache_info()
Date: Tue, 24 Jan 2023 16:40:46 +0100 [thread overview]
Message-ID: <20230124154053.355376-2-pierre.gondois@arm.com> (raw)
In-Reply-To: <20230124154053.355376-1-pierre.gondois@arm.com>
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>
---
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 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) {
--
2.25.1
next prev parent reply other threads:[~2023-01-24 15:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 15:40 [PATCH -next v2 0/3] cacheinfo: Fix misbehaviours around init_cache_level() Pierre Gondois
2023-01-24 15:40 ` Pierre Gondois [this message]
2023-01-24 17:19 ` [PATCH -next v2 1/3] cacheinfo: Initialize variables in fetch_cache_info() Conor Dooley
2023-01-24 15:40 ` [PATCH -next v2 2/3] cacheinfo: Make default acpi_get_cache_info() return an error Pierre Gondois
2023-01-24 17:15 ` Conor Dooley
2023-01-24 15:40 ` [PATCH -next v2 3/3] cacheinfo: Remove unused check in init_cache_level() Pierre Gondois
2023-01-24 17:01 ` Conor Dooley
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