linux-kernel - [PATCH 5.10 006/120] usb: gadget: aspeed: add missing of_node

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Date:   Mon,  8 Feb 2021 15:59:53 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Sumera Priyadarsini <sylphrenadin@...il.com>,
        kernel test robot <lkp@...el.com>,
        Julia Lawall <julia.lawall@...ia.fr>
Subject: [PATCH 5.10 006/120] usb: gadget: aspeed: add missing of_node_put

From: kernel test robot <lkp@...el.com>

commit a55a9a4c5c6253f6e4dea268af728664ac997790 upstream.

Breaking out of for_each_child_of_node requires a put on the
child value.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Fixes: 82c2d81361ec ("coccinelle: iterators: Add for_each_child.cocci script")
CC: Sumera Priyadarsini <sylphrenadin@...il.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
Cc: stable <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2101211907060.14700@hadrien
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/gadget/udc/aspeed-vhub/hub.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
@@ -999,8 +999,10 @@ static int ast_vhub_of_parse_str_desc(st
 		str_array[offset].s = NULL;
 
 		ret = ast_vhub_str_alloc_add(vhub, &lang_str);
-		if (ret)
+		if (ret) {
+			of_node_put(child);
 			break;
+		}
 	}
 
 	return ret;