ARM: exynos: Fix refcount leak in exynos_map_pmu

ARM: exynos: Fix refcount leak in exynos_map_pmu

This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven.
This ID is fixed in Linux Kernel version v4.9.321 by commit 545ae5cbae839ce39bfe09828e413f1c916082de, it was introduced in version v3.17 by commit fce9e5bb25264153f9f002eada41757118d25ba9. For more details please see the references link.