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USB: uas: fix task management 

Allocate one tag for task management functions and
use it properly.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gerd Hoffmann 2012-09-25 10:47:05 +02:00 committed by Greg Kroah-Hartman
parent a0e39e3468
commit 0393986495
1 changed files with 3 additions and 3 deletions
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6
drivers/usb/storage/uas.c
View File

@ -611,7 +611,7 @@ static int uas_eh_task_mgmt(struct scsi_cmnd *cmnd,
{ {
struct Scsi_Host *shost = cmnd->device->host; struct Scsi_Host *shost = cmnd->device->host;
struct uas_dev_info *devinfo = (void *)shost->hostdata[0]; struct uas_dev_info *devinfo = (void *)shost->hostdata[0];
u16 tag = 9999; /* FIXME */ u16 tag = devinfo->qdepth - 1;
memset(&devinfo->response, 0, sizeof(devinfo->response)); memset(&devinfo->response, 0, sizeof(devinfo->response));
if (uas_submit_sense_urb(shost, GFP_NOIO, tag)) { if (uas_submit_sense_urb(shost, GFP_NOIO, tag)) {
@ -701,7 +701,7 @@ static int uas_slave_configure(struct scsi_device *sdev)
{ {
struct uas_dev_info *devinfo = sdev->hostdata; struct uas_dev_info *devinfo = sdev->hostdata;
scsi_set_tag_type(sdev, MSG_ORDERED_TAG); scsi_set_tag_type(sdev, MSG_ORDERED_TAG);
scsi_activate_tcq(sdev, devinfo->qdepth - 2); scsi_activate_tcq(sdev, devinfo->qdepth - 3);
return 0; return 0;
} }
@ -880,7 +880,7 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id)
init_usb_anchor(&devinfo->data_urbs); init_usb_anchor(&devinfo->data_urbs);
uas_configure_endpoints(devinfo); uas_configure_endpoints(devinfo);
result = scsi_init_shared_tag_map(shost, devinfo->qdepth - 2); result = scsi_init_shared_tag_map(shost, devinfo->qdepth - 3);
if (result) if (result)
goto free; goto free;