[PATCH] of: unittest: fix memory leak in attach_node_and_children

[Erhard Furtner]

In attach_node_and_children memory is allocated for full_name via
kasprintf. If the condition of the 1st if is not met the function
returns early without freeing the memory. Add a kfree() to fix that.

Signed-off-by: Erhard Furtner <erhar...@mailbox.org>
---
 drivers/of/unittest.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 92e895d86458..ca7823eef2b4 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1146,8 +1146,10 @@ static void attach_node_and_children(struct device_node 
*np)
        full_name = kasprintf(GFP_KERNEL, "%pOF", np);
 
        if (!strcmp(full_name, "/__local_fixups__") ||
-           !strcmp(full_name, "/__fixups__"))
+           !strcmp(full_name, "/__fixups__")) {
+               kfree(full_name);
                return;
+       }
 
        dup = of_find_node_by_path(full_name);
        kfree(full_name);
-- 
2.23.0