netdev - [PATCH net-next] net: libwx: fix an error code in wx_alloc_page

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Message-ID: <Y+T4aoefc1XWvGYb@kili>
Date:   Thu, 9 Feb 2023 16:43:06 +0300
From:   Dan Carpenter <error27@...il.com>
To:     Jiawen Wu <jiawenwu@...stnetic.com>
Cc:     Mengyuan Lou <mengyuanlou@...-swift.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH net-next] net: libwx: fix an error code in
 wx_alloc_page_pool()

This function always returns success.  We need to preserve the error
code before setting rx_ring->page_pool = NULL.

Fixes: 850b971110b2 ("net: libwx: Allocate Rx and Tx resources")
Signed-off-by: Dan Carpenter <error27@...il.com>
---
Applies to net-next.

 drivers/net/ethernet/wangxun/libwx/wx_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
index 57e1871ea0c6..ca92fe19a663 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c
@@ -1745,8 +1745,8 @@ static int wx_alloc_page_pool(struct wx_ring *rx_ring)
 
 	rx_ring->page_pool = page_pool_create(&pp_params);
 	if (IS_ERR(rx_ring->page_pool)) {
-		rx_ring->page_pool = NULL;
 		ret = PTR_ERR(rx_ring->page_pool);
+		rx_ring->page_pool = NULL;
 	}
 
 	return ret;
-- 
2.35.1