uas: add IS_IN_WORK_LIST flag
Keep track whenever the request is linked into the work list or not.
Needed for request abort.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index a972e53..05f1f2b 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -67,6 +67,7 @@
COMMAND_COMPLETED = (1 << 11),
COMMAND_ABORTED = (1 << 12),
UNLINK_DATA_URBS = (1 << 13),
+ IS_IN_WORK_LIST = (1 << 14),
};
/* Overrides scsi_pointer */
@@ -131,6 +132,8 @@
struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata;
spin_lock_irqsave(&devinfo->lock, flags);
err = uas_submit_urbs(cmnd, cmnd->device->hostdata, GFP_ATOMIC);
+ if (!err)
+ cmdinfo->state &= ~IS_IN_WORK_LIST;
spin_unlock_irqrestore(&devinfo->lock, flags);
if (err) {
list_del(&cmdinfo->list);
@@ -193,7 +196,7 @@
struct uas_cmd_info *ci = (void *)&cmnd->SCp;
scmd_printk(KERN_INFO, cmnd, "%s %p tag %d, inflight:"
- "%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
+ "%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n",
caller, cmnd, cmnd->request->tag,
(ci->state & SUBMIT_STATUS_URB) ? " s-st" : "",
(ci->state & ALLOC_DATA_IN_URB) ? " a-in" : "",
@@ -207,7 +210,8 @@
(ci->state & DATA_OUT_URB_INFLIGHT) ? " OUT" : "",
(ci->state & COMMAND_COMPLETED) ? " done" : "",
(ci->state & COMMAND_ABORTED) ? " abort" : "",
- (ci->state & UNLINK_DATA_URBS) ? " unlink": "");
+ (ci->state & UNLINK_DATA_URBS) ? " unlink": "",
+ (ci->state & IS_IN_WORK_LIST) ? " work" : "");
}
static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller)
@@ -244,6 +248,7 @@
if (err) {
spin_lock(&uas_work_lock);
list_add_tail(&cmdinfo->list, &uas_work_list);
+ cmdinfo->state |= IS_IN_WORK_LIST;
spin_unlock(&uas_work_lock);
schedule_work(&uas_work);
}
@@ -643,6 +648,7 @@
}
spin_lock(&uas_work_lock);
list_add_tail(&cmdinfo->list, &uas_work_list);
+ cmdinfo->state |= IS_IN_WORK_LIST;
spin_unlock(&uas_work_lock);
schedule_work(&uas_work);
}