diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-06-19 09:54:53 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-06-25 11:51:00 -0700 |
| commit | bdd000fb34202530e5cd11260d06f57e2daf63c9 (patch) | |
| tree | dd3ae6228d956f11929a0e3128b36f8bd658c80d /drivers/usb/storage/uas.c | |
| parent | 8aac863e9295c42683b5b39ab65e17711e21b34c (diff) | |
| download | linux-bdd000fb34202530e5cd11260d06f57e2daf63c9.tar.gz | |
uas: track urbs, kill inflight urbs on disconnect.
Use separate anchors for data and sense urbs, which
I think will be useful when implementing error handling.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/storage/uas.c')
| -rw-r--r-- | drivers/usb/storage/uas.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index d8b7bc6ea14152..875829a5618308 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -41,6 +41,8 @@ struct sense_iu_old { struct uas_dev_info { struct usb_interface *intf; struct usb_device *udev; + struct usb_anchor sense_urbs; + struct usb_anchor data_urbs; int qdepth; unsigned cmd_pipe, status_pipe, data_in_pipe, data_out_pipe; unsigned use_streams:1; @@ -396,6 +398,7 @@ static int uas_submit_sense_urb(struct Scsi_Host *shost, usb_free_urb(urb); return SCSI_MLQUEUE_DEVICE_BUSY; } + usb_anchor_urb(urb, &devinfo->sense_urbs); return 0; } @@ -431,6 +434,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, } cmdinfo->state &= ~SUBMIT_DATA_IN_URB; cmdinfo->state |= DATA_IN_URB_INFLIGHT; + usb_anchor_urb(cmdinfo->data_in_urb, &devinfo->data_urbs); } if (cmdinfo->state & ALLOC_DATA_OUT_URB) { @@ -450,6 +454,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, } cmdinfo->state &= ~SUBMIT_DATA_OUT_URB; cmdinfo->state |= DATA_OUT_URB_INFLIGHT; + usb_anchor_urb(cmdinfo->data_out_urb, &devinfo->data_urbs); } if (cmdinfo->state & ALLOC_CMD_URB) { @@ -761,6 +766,8 @@ static int uas_probe(struct usb_interface *intf, const struct usb_device_id *id) devinfo->intf = intf; devinfo->udev = udev; + init_usb_anchor(&devinfo->sense_urbs); + init_usb_anchor(&devinfo->data_urbs); uas_configure_endpoints(devinfo); result = scsi_init_shared_tag_map(shost, devinfo->qdepth - 2); @@ -804,6 +811,8 @@ static void uas_disconnect(struct usb_interface *intf) struct uas_dev_info *devinfo = (void *)shost->hostdata[0]; scsi_remove_host(shost); + usb_kill_anchored_urbs(&devinfo->sense_urbs); + usb_kill_anchored_urbs(&devinfo->data_urbs); uas_free_streams(devinfo); kfree(devinfo); } |