[PATCH v2 16/25] usb: gadget: f_tcm: Update state on data write

Thinh Nguyen
2022-07-19T01:58:52Z

When preparing request for data write state, the next state is
UASP_SEND_STATUS. When data write completes, the next state is
UASP_QUEUE_COMMAND. Without this change, the command will transition to
the wrong state.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
---
Changes in v2:
- Move a related change from TASK MANAGEMENT updating cmd state to
UASP_QUEUE_COMMAND to here.

drivers/usb/gadget/function/f_tcm.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 1e7d29f8aecb..d7318c84af98 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -934,6 +934,8 @@ static void usbg_data_write_cmpl(struct usb_ep *ep, struct usb_request *req)
struct usbg_cmd *cmd = req->context;
struct se_cmd *se_cmd = &cmd->se_cmd;

+ cmd->state = UASP_QUEUE_COMMAND;
+
if (req->status < 0) {
pr_err("%s() state %d transfer failed\n", __func__, cmd->state);
goto cleanup;
@@ -976,6 +978,8 @@ static int usbg_prepare_w_request(struct usbg_cmd *cmd, struct usb_request *req)
req->complete = usbg_data_write_cmpl;
req->length = se_cmd->data_length;
req->context = cmd;
+
+ cmd->state = UASP_SEND_STATUS;
return 0;
}

--
2.28.0