The driver_find_device_by_of_node() function calls driver_find_device and returns a device with its reference count incremented. Add the missing put_device() call to release this reference after the device is used.

Found via static analysis.

Fixes: 0b7c6075022c ("soc: samsung: exynos-pmu: Add regmap support for SoCs that protect PMU regs") Cc: stable@vger.kernel.org Signed-off-by: Miaoqian Lin linmq006@gmail.com --- drivers/soc/samsung/exynos-pmu.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c index 22c50ca2aa79..a53c1f882e1a 100644 --- a/drivers/soc/samsung/exynos-pmu.c +++ b/drivers/soc/samsung/exynos-pmu.c @@ -346,6 +346,7 @@ 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);