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usb: gadget: f_tcm: Stop proceeding further on -ESHUTDOWN

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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>
Link: https://lore.kernel.org/r/b14410cce6bc7b8a0b43da23a8e0cf1ed1fa8ab6.1733876548.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Thinh Nguyen 2024-12-11 00:33:31 +00:00 • committed by Greg Kroah-Hartman
parent 89e4ec503d
commit 2d6d0c695e
1 changed files with 7 additions and 3 deletions
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10
drivers/usb/gadget/function/f_tcm.c
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@ -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)