release/5.2.42/of-overlay-kmemleak-in-dup_and_fixup_symbol_prop.patch

From 19ca95e9c4dfd111b53ab0a7d0e9ec8c7efb5095 Mon Sep 17 00:00:00 2001
From: Frank Rowand <frank.rowand@sony.com>
Date: Thu, 16 Apr 2020 16:42:49 -0500
Subject: [PATCH] of: overlay: kmemleak in dup_and_fixup_symbol_prop()

commit 478ff649b1c8eb2409b1a54fb75eb46f7c29f140 upstream.

kmemleak reports several memory leaks from devicetree unittest.
This is the fix for problem 4 of 5.

target_path was not freed in the non-error path.

Fixes: e0a58f3e08d4 ("of: overlay: remove a dependency on device node full_name")
Reported-by: Erhard F. <erhard_f@mailbox.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 9617b7df7c4d..1688f576ee8a 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -261,6 +261,8 @@ static struct property *dup_and_fixup_symbol_prop(
 
 	of_property_set_flag(new_prop, OF_DYNAMIC);
 
+	kfree(target_path);
+
 	return new_prop;
 
 err_free_new_prop:
-- 
2.7.4