From 3ce3b2108f38059e0830222da4c3003aff2ab097 Mon Sep 17 00:00:00 2001
From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: Wed, 11 Dec 2024 00:34:09 +0000
Subject: [PATCH] usb: gadget: f_tcm: Requeue command request on error
If there's error on command request, make sure to requeue to receive the
next one.
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/d4e55c13be8f83f99ee55f7b979a99e2c14fc4c8.1733876548.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/function/f_tcm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 7ea48845f8c3..be7d8df360d9 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -283,8 +283,13 @@ static void bot_cmd_complete(struct usb_ep *ep, struct usb_request *req)
fu->flags &= ~USBG_BOT_CMD_PEND;
- if (req->status < 0)
+ if (req->status < 0) {
+ struct usb_gadget *gadget = fuas_to_gadget(fu);
+
+ dev_err(&gadget->dev, "BOT command req err (%d)\n", req->status);
+ bot_enqueue_cmd_cbw(fu);
return;
+ }
ret = bot_submit_command(fu, req->buf, req->actual);
if (ret) {