6.12-stable review patch. If anyone has any objections, please let me know.
------------------
From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
commit eca836dfd8386b32f1aae60f8e323218ac6a0b75 upstream.
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@xxxxxxxxxxxxxxx
Link: https://lore.kernel.org/r/20250104135605.109209-1-krzysztof.kozlowski@xxxxxxxxxx
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/soc/samsung/exynos-pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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 *
if (ret)
return ret;
}
- return ret;
+ return 0;
}
static bool tensor_is_atomic(unsigned int reg)
