From efefecf33adefcd28edfd3cee282aa9cbc3374ca Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Fri, 30 Nov 2012 11:54:42 +0100 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/uas.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index a972e53656f5..05f1f2b8c33b 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -67,6 +67,7 @@ enum { 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 @@ static void uas_do_work(struct work_struct *work) 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 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller) 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 @@ static void uas_log_cmd_state(struct scsi_cmnd *cmnd, const char *caller) (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 @@ static void uas_xfer_data(struct urb *urb, struct scsi_cmnd *cmnd, 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 @@ static int uas_queuecommand_lck(struct scsi_cmnd *cmnd, } 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); } -- 2.20.1