ARM: EXYNOS: Add missing of_node_put() when parsing power domains

Add missing of_node_put() to:
1. Error return path if allocating memory for exynos_pm_domain failed.
2. Second iteration over power domains if a child domain was not
   present or was incomplete.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Karol Wrona <k.wrona@samsung.com>
Signed-off-by: Kukjin Kim <kgene@kernel.org>

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 3b54f6e..440324c 100644 (file)
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -138,6 +138,7 @@ static __init int exynos4_pm_init_power_domain(void)
                if (!pd) {
                        pr_err("%s: failed to allocate memory for domain\n",
                                        __func__);
+                       of_node_put(np);
                        return -ENOMEM;
                }
 
@@ -209,15 +210,15 @@ no_clk:
                args.args_count = 0;
                child_domain = of_genpd_get_from_provider(&args);
                if (IS_ERR(child_domain))
-                       continue;
+                       goto next_pd;
 
                if (of_parse_phandle_with_args(np, "power-domains",
                                         "#power-domain-cells", 0, &args) != 0)
-                       continue;
+                       goto next_pd;
 
                parent_domain = of_genpd_get_from_provider(&args);
                if (IS_ERR(parent_domain))
-                       continue;
+                       goto next_pd;
 
                if (pm_genpd_add_subdomain(parent_domain, child_domain))
                        pr_warn("%s failed to add subdomain: %s\n",
@@ -225,6 +226,7 @@ no_clk:
                else
                        pr_info("%s has as child subdomain: %s.\n",
                                parent_domain->name, child_domain->name);
+next_pd:
                of_node_put(np);
        }