misc: sram: fix device node reference leak on error

A pointer device node reference should be decremented on manual exit
from for_each_available_child_of_node() loop.

Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index 76a23f9..0bfdfac 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -112,6 +112,7 @@
 			dev_err(&pdev->dev,
 				"could not get address for node %s\n",
 				child->full_name);
+			of_node_put(child);
 			goto err_chunks;
 		}
 
@@ -120,6 +121,7 @@
 				"reserved block %s outside the sram area\n",
 				child->full_name);
 			ret = -EINVAL;
+			of_node_put(child);
 			goto err_chunks;
 		}