[PATCH] soc: samsung: exynos-pmu: Fix uninitialized ret in tensor_set_bits_atomic()
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Sat Jan 4 05:56:05 PST 2025
If tensor_set_bits_atomic() is called with a mask of 0 the function will
just iterate over its bit, not perform any updates and return stack
value of 'ret'.
Also reported by smatch:
drivers/soc/samsung/exynos-pmu.c:129 tensor_set_bits_atomic() error: uninitialized symbol 'ret'.
Fixes: 0b7c6075022c ("soc: samsung: exynos-pmu: Add regmap support for SoCs that protect PMU regs")
Cc: <stable at vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
drivers/soc/samsung/exynos-pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c
index d8c53cec7f37..dd5256e5aae1 100644
--- a/drivers/soc/samsung/exynos-pmu.c
+++ b/drivers/soc/samsung/exynos-pmu.c
@@ -126,7 +126,7 @@ static int tensor_set_bits_atomic(void *ctx, unsigned int offset, u32 val,
if (ret)
return ret;
}
- return ret;
+ return 0;
}
static bool tensor_is_atomic(unsigned int reg)
--
2.43.0
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