Re: [PATCH v2] USB:UAS:return ENODEV when submit urbs fail with device not attached.

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On 28.02.24 12:15, Weitao Wang wrote:

Hi,

sorry for going at this again, but there are a few technical issues left.

	Regards
		Oliver

---
v1->v2
  - Modify the description of this patch.

  drivers/usb/storage/uas.c | 21 ++++++++++-----------
  1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 9707f53cfda9..967f18db525a 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -562,9 +561,9 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
lockdep_assert_held(&devinfo->lock);
  	if (cmdinfo->state & SUBMIT_STATUS_URB) {
-		urb = uas_submit_sense_urb(cmnd, GFP_ATOMIC);
-		if (!urb)
-			return SCSI_MLQUEUE_DEVICE_BUSY;
+		err = uas_submit_sense_urb(cmnd, GFP_ATOMIC);
+		if (err)
+			return (err == -ENODEV) ? -ENODEV : SCSI_MLQUEUE_DEVICE_BUSY;

Either we ought to use SCSI error codes or generic error codes.
There is no need to translate all but one error condition here.

  		cmdinfo->state &= ~SUBMIT_STATUS_URB;
  	}
@@ -582,7 +581,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
  		if (err) {
  			usb_unanchor_urb(cmdinfo->data_in_urb);
  			uas_log_cmd_state(cmnd, "data in submit err", err);
-			return SCSI_MLQUEUE_DEVICE_BUSY;
+			return (err == -ENODEV) ? -ENODEV : SCSI_MLQUEUE_DEVICE_BUSY;

Same as above and below.





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