From: Johan Hovold Date: Fri, 21 Nov 2025 12:18:52 +0000 (+0100) Subject: soc: samsung: exynos-pmu: fix device leak on regmap lookup X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=990eb9a8eb4540ab90c7b34bb07b87ff13881cad;p=thirdparty%2Flinux.git soc: samsung: exynos-pmu: fix device leak on regmap lookup Make sure to drop the reference taken when looking up the PMU device and its regmap. Note that holding a reference to a device does not prevent its regmap from going away so there is no point in keeping the reference. Fixes: 0b7c6075022c ("soc: samsung: exynos-pmu: Add regmap support for SoCs that protect PMU regs") Cc: stable@vger.kernel.org # 6.9 Cc: Peter Griffin Signed-off-by: Johan Hovold Link: https://patch.msgid.link/20251121121852.16825-1-johan@kernel.org Signed-off-by: Krzysztof Kozlowski --- diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c index df5b1f299a260..f8fe1a5965ab4 100644 --- a/drivers/soc/samsung/exynos-pmu.c +++ b/drivers/soc/samsung/exynos-pmu.c @@ -346,6 +346,8 @@ struct regmap *exynos_get_pmu_regmap_by_phandle(struct device_node *np, if (!dev) return ERR_PTR(-EPROBE_DEFER); + put_device(dev); + return syscon_node_to_regmap(pmu_np); } EXPORT_SYMBOL_GPL(exynos_get_pmu_regmap_by_phandle);