From 2d6d0c695e6bb584aec036c51d7de989069fd2ee Mon Sep 17 00:00:00 2001 From: Thinh Nguyen Date: Wed, 11 Dec 2024 00:33:31 +0000 Subject: [PATCH] usb: gadget: f_tcm: Stop proceeding further on -ESHUTDOWN 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 Link: https://lore.kernel.org/r/b14410cce6bc7b8a0b43da23a8e0cf1ed1fa8ab6.1733876548.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_tcm.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) 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)