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Wed, 11 Dec 2024 00:33:31 +0000 X-SNPS-Relay: synopsys.com From: Thinh Nguyen <Thinh.Nguyen@synopsys.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>, Sebastian Andrzej Siewior <bigeasy@linutronix.de> CC: "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>, Homura Akemi <a1134123566@gmail.com> Subject: [PATCH v3 20/28] usb: gadget: f_tcm: Stop proceeding further on -ESHUTDOWN Thread-Topic: [PATCH v3 20/28] usb: gadget: f_tcm: Stop proceeding further on -ESHUTDOWN Thread-Index: AQHbS2ROWD2GU/49i0mc5sRQS4rGvA== Date: Wed, 11 Dec 2024 00:33:31 +0000 Message-ID: <b14410cce6bc7b8a0b43da23a8e0cf1ed1fa8ab6.1733876548.git.Thinh.Nguyen@synopsys.com> References: <cover.1733876548.git.Thinh.Nguyen@synopsys.com> In-Reply-To: <cover.1733876548.git.Thinh.Nguyen@synopsys.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: LV2PR12MB5990:EE_|CY8PR12MB7635:EE_ x-ms-office365-filtering-correlation-id: 46314ebe-51c8-4d4f-276a-08dd197b7098 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|376014|1800799024|366016|38070700018; 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[v3,01/28] usb: gadget: f_tcm: Don't free command immediately
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diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index 8a5aa58e166e..6aa341c1472a 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -62,10 +62,11 @@ static void bot_status_complete(struct usb_ep *ep, struct usb_request *req) struct f_uas *fu = cmd->fu; transport_generic_free_cmd(&cmd->se_cmd, 0); - if (req->status < 0) { - pr_err("ERR %s(%d)\n", __func__, __LINE__); + if (req->status == -ESHUTDOWN) return; - } + + if (req->status < 0) + pr_err("ERR %s(%d)\n", __func__, __LINE__); /* CSW completed, wait for next CBW */ bot_enqueue_cmd_cbw(fu); @@ -276,6 +277,9 @@ static void bot_cmd_complete(struct usb_ep *ep, struct usb_request *req) struct f_uas *fu = req->context; int ret; + if (req->status == -ESHUTDOWN) + return; + fu->flags &= ~USBG_BOT_CMD_PEND; if (req->status < 0)
If the error code is -ESHUTDOWN, stop processing the request/command further and prepare for teardown. -ESHUTDOWN is for device reset or disconnection. Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com> --- drivers/usb/gadget/function/f_tcm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)