ARM: OMAP2+: pm33xx-core: ix device node reference leaks in amx3_idle_init

commit 74139a6 upstream.

Add missing of_node_put() calls to release
device node references obtained via of_parse_phandle().

Fixes: 06ee7a9 ("ARM: OMAP2+: pm33xx-core: Add cpuidle_ops for am335x/am437x")
Cc: [email protected]
Signed-off-by: Miaoqian Lin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Kevin Hilman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Yuuoniy

arch/arm/mach-omap2/pm33xx-core.c

@@ -388,12 +388,15 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 		if (!state_node)
 			break;
 
-		if (!of_device_is_available(state_node))
+		if (!of_device_is_available(state_node)) {
+			of_node_put(state_node);
 			continue;
+		}
 
 		if (i == CPUIDLE_STATE_MAX) {
 			pr_warn("%s: cpuidle states reached max possible\n",
 				__func__);
+			of_node_put(state_node);
 			break;
 		}
 
@@ -403,6 +406,7 @@ static int __init amx3_idle_init(struct device_node *cpu_node, int cpu)
 			states[state_count].wfi_flags |= WFI_FLAG_WAKE_M3 |
 							 WFI_FLAG_FLUSH_CACHE;
 
+		of_node_put(state_node);
 		state_count++;
 	}