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USB: uas: Rename sense pipe and sense urb to status pipe and status urb
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The spec calls this the status pipe.  While it is used to receive sense IUs,
it is also used to receive other IUs, so this can be confusing.

Reported-by: Luben Tuikov <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Matthew Wilcox authored and gregkh committed Dec 15, 2010
1 parent ac563cf commit 92a3f76
Showing 1 changed file with 16 additions and 16 deletions.
32 changes: 16 additions & 16 deletions drivers/usb/storage/uas.c
Original file line number Diff line number Diff line change
Expand Up @@ -100,8 +100,8 @@ struct uas_dev_info {
};

enum {
ALLOC_SENSE_URB = (1 << 0),
SUBMIT_SENSE_URB = (1 << 1),
ALLOC_STATUS_URB = (1 << 0),
SUBMIT_STATUS_URB = (1 << 1),
ALLOC_DATA_IN_URB = (1 << 2),
SUBMIT_DATA_IN_URB = (1 << 3),
ALLOC_DATA_OUT_URB = (1 << 4),
Expand All @@ -115,7 +115,7 @@ struct uas_cmd_info {
unsigned int state;
unsigned int stream;
struct urb *cmd_urb;
struct urb *sense_urb;
struct urb *status_urb;
struct urb *data_in_urb;
struct urb *data_out_urb;
struct list_head list;
Expand Down Expand Up @@ -207,7 +207,7 @@ static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd,
struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;
int err;

cmdinfo->state = direction | SUBMIT_SENSE_URB;
cmdinfo->state = direction | SUBMIT_STATUS_URB;
err = uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_ATOMIC);
if (err) {
spin_lock(&uas_work_lock);
Expand Down Expand Up @@ -363,21 +363,21 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd,
{
struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp;

if (cmdinfo->state & ALLOC_SENSE_URB) {
cmdinfo->sense_urb = uas_alloc_sense_urb(devinfo, gfp, cmnd,
cmdinfo->stream);
if (!cmdinfo->sense_urb)
if (cmdinfo->state & ALLOC_STATUS_URB) {
cmdinfo->status_urb = uas_alloc_sense_urb(devinfo, gfp, cmnd,
cmdinfo->stream);
if (!cmdinfo->status_urb)
return SCSI_MLQUEUE_DEVICE_BUSY;
cmdinfo->state &= ~ALLOC_SENSE_URB;
cmdinfo->state &= ~ALLOC_STATUS_URB;
}

if (cmdinfo->state & SUBMIT_SENSE_URB) {
if (usb_submit_urb(cmdinfo->sense_urb, gfp)) {
if (cmdinfo->state & SUBMIT_STATUS_URB) {
if (usb_submit_urb(cmdinfo->status_urb, gfp)) {
scmd_printk(KERN_INFO, cmnd,
"sense urb submission failure\n");
return SCSI_MLQUEUE_DEVICE_BUSY;
}
cmdinfo->state &= ~SUBMIT_SENSE_URB;
cmdinfo->state &= ~SUBMIT_STATUS_URB;
}

if (cmdinfo->state & ALLOC_DATA_IN_URB) {
Expand Down Expand Up @@ -446,7 +446,7 @@ static int uas_queuecommand(struct scsi_cmnd *cmnd,

BUILD_BUG_ON(sizeof(struct uas_cmd_info) > sizeof(struct scsi_pointer));

if (!cmdinfo->sense_urb && sdev->current_cmnd)
if (!cmdinfo->status_urb && sdev->current_cmnd)
return SCSI_MLQUEUE_DEVICE_BUSY;

if (blk_rq_tagged(cmnd->request)) {
Expand All @@ -458,7 +458,7 @@ static int uas_queuecommand(struct scsi_cmnd *cmnd,

cmnd->scsi_done = done;

cmdinfo->state = ALLOC_SENSE_URB | SUBMIT_SENSE_URB |
cmdinfo->state = ALLOC_STATUS_URB | SUBMIT_STATUS_URB |
ALLOC_CMD_URB | SUBMIT_CMD_URB;

switch (cmnd->sc_data_direction) {
Expand All @@ -481,8 +481,8 @@ static int uas_queuecommand(struct scsi_cmnd *cmnd,
err = uas_submit_urbs(cmnd, devinfo, GFP_ATOMIC);
if (err) {
/* If we did nothing, give up now */
if (cmdinfo->state & SUBMIT_SENSE_URB) {
usb_free_urb(cmdinfo->sense_urb);
if (cmdinfo->state & SUBMIT_STATUS_URB) {
usb_free_urb(cmdinfo->status_urb);
return SCSI_MLQUEUE_DEVICE_BUSY;
}
spin_lock(&uas_work_lock);
Expand Down

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