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Tue, 16 Jun 2026 03:55:02 -0700 (PDT) Received: from [127.0.1.1] ([47.253.114.73]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8434b0112edsm11550889b3a.45.2026.06.16.03.54.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Jun 2026 03:55:02 -0700 (PDT) From: Wayen Yan To: netdev@vger.kernel.org Cc: lorenzo@kernel.org, horms@kernel.org, pabeni@redhat.com, kuba@kernel.org, edumazet@google.com, andrew+netdev@lunn.ch, angelogioacchino.delregno@collabora.com, matthias.bgg@gmail.com, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH] net: airoha: Stop TX queues on error path in airoha_dev_open Date: Tue, 16 Jun 2026 18:50:39 +0800 Message-ID: <178160729880.2156257.7978513589649053826@gmail.com> Content-Type: text/plain; charset=utf-8 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260616_035504_004232_6E33BC5C X-CRM114-Status: GOOD ( 10.87 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org In airoha_dev_open(), if airoha_set_vip_for_gdm_port() fails after netif_tx_start_all_queues() has been called, the TX queues remain started while the device configuration is incomplete. This leaves the device in an inconsistent state where packets could be transmitted before the VIP/IFC port configuration is complete. Add netif_tx_stop_all_queues() call on the error path to properly roll back the TX queue state. Fixes: 20bf7d07c956 ("net: airoha: add QDMA support for Airoha EN7581 Ethernet") Signed-off-by: Wayen Yan --- drivers/net/ethernet/airoha/airoha_eth.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c index 31cdb11cd7..cf9c366907 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.c +++ b/drivers/net/ethernet/airoha/airoha_eth.c @@ -1715,8 +1715,10 @@ static int airoha_dev_open(struct net_device *dev) netif_tx_start_all_queues(dev); err = airoha_set_vip_for_gdm_port(port, true); - if (err) + if (err) { + netif_tx_stop_all_queues(dev); return err; + } if (netdev_uses_dsa(dev)) airoha_fe_set(qdma->eth, REG_GDM_INGRESS_CFG(port->id), -- 2.51.0