linux-kernel - [PATCH v2] drivers:net:ethernet:Add missing fwnode_handle

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Message-Id: <20230616092820.1756-1-machel@vivo.com>
Date:   Fri, 16 Jun 2023 17:27:39 +0800
From:   Wang Ming <machel@...o.com>
To:     linyunsheng@...wei.com
Cc:     opensource.kernel@...o.com, gregkh@...uxfoundation.org,
        Wang Ming <machel@...o.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v2] drivers:net:ethernet:Add missing fwnode_handle_put() 

In device_for_each_child_node(), we should have fwnode_handle_put()
when break out of the iteration device_for_each_child_node()
as it will automatically increase and decrease the refcounter.

Signed-off-by: Wang Ming <machel@...o.com>

Fixes: 53ab6975c12d ("Add linux-next specific files for 20230609")
---
This version adds 'Fixes:tag' compared to previous versions.

 .../net/ethernet/cavium/thunder/thunder_bgx.c | 37 ++++++++++---------
 1 file changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index a317feb8d..d37ee2872 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -1478,8 +1478,10 @@ static int bgx_init_of_phy(struct bgx *bgx)
                 * cannot handle it, so exit the loop.
                 */
                node = to_of_node(fwn);
-               if (!node)
+               if (!node) {
+                       fwnode_handle_put(fwn);
                        break;
+               }

                of_get_mac_address(node, bgx->lmac[lmac].mac);

@@ -1503,6 +1505,7 @@ static int bgx_init_of_phy(struct bgx *bgx)
                lmac++;
                if (lmac == bgx->max_lmac) {
                        of_node_put(node);
+                       fwnode_handle_put(fwn);
                        break;
                }
        }
--
2.25.1

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