From 76003eb6d09278f945eaee0e8134451485a07c69 Mon Sep 17 00:00:00 2001 From: Thinh Nguyen Date: Wed, 11 Dec 2024 00:33:19 +0000 Subject: usb: gadget: f_tcm: Handle abort command Implement usbg_aborted_task() to cancel aborted outstanding requests. Signed-off-by: Thinh Nguyen Link: https://lore.kernel.org/r/6d2a05f120a0384e36b5150b50eec53a0991f400.1733876548.git.Thinh.Nguyen@synopsys.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/gadget/function/f_tcm.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/usb') diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index 696d34e04e7d..2a74414c7fd1 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -1257,6 +1257,24 @@ static void usbg_queue_tm_rsp(struct se_cmd *se_cmd) static void usbg_aborted_task(struct se_cmd *se_cmd) { + struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd, se_cmd); + struct f_uas *fu = cmd->fu; + struct usb_gadget *gadget = fuas_to_gadget(fu); + struct uas_stream *stream = &fu->stream[se_cmd->map_tag]; + int ret = 0; + + if (stream->req_out->status == -EINPROGRESS) + ret = usb_ep_dequeue(fu->ep_out, stream->req_out); + else if (stream->req_in->status == -EINPROGRESS) + ret = usb_ep_dequeue(fu->ep_in, stream->req_in); + else if (stream->req_status->status == -EINPROGRESS) + ret = usb_ep_dequeue(fu->ep_status, stream->req_status); + + if (ret) + dev_err(&gadget->dev, "Failed to abort cmd tag %d, (%d)\n", + cmd->tag, ret); + + cmd->state = UASP_QUEUE_COMMAND; } static const char *usbg_check_wwn(const char *name) -- cgit v1.2.3