diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2013-09-13 13:27:14 +0200 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2014-03-04 15:38:06 -0800 |
| commit | f491ecbb47d5a709d46401da3cd54ff8ee666ca0 (patch) | |
| tree | ebcd8db9a5107ad5580718231efa0063e7b86fc1 /drivers/usb/storage | |
| parent | 326349f82461918830ed59913a3ccd8ffa9ac46f (diff) | |
uas: replace BUG_ON() + WARN_ON() with WARN_ON_ONCE()
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/storage')
| -rw-r--r-- | drivers/usb/storage/uas.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index f0490382351d..046eedfc3828 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -154,7 +154,7 @@ static void uas_abort_work(struct uas_dev_info *devinfo) struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); uas_log_cmd_state(cmnd, __func__); - WARN_ON(cmdinfo->state & COMMAND_ABORTED); + WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED); cmdinfo->state |= COMMAND_ABORTED; cmdinfo->state &= ~IS_IN_WORK_LIST; list_del(&cmdinfo->work); @@ -169,7 +169,7 @@ static void uas_add_work(struct uas_cmd_info *cmdinfo) struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); struct uas_dev_info *devinfo = cmnd->device->hostdata; - WARN_ON(!spin_is_locked(&devinfo->lock)); + WARN_ON_ONCE(!spin_is_locked(&devinfo->lock)); list_add_tail(&cmdinfo->work, &devinfo->work_list); cmdinfo->state |= IS_IN_WORK_LIST; schedule_work(&devinfo->work); @@ -187,7 +187,7 @@ static void uas_zap_dead(struct uas_dev_info *devinfo) struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); uas_log_cmd_state(cmnd, __func__); - WARN_ON(!(cmdinfo->state & COMMAND_ABORTED)); + WARN_ON_ONCE(!(cmdinfo->state & COMMAND_ABORTED)); /* all urbs are killed, clear inflight bits */ cmdinfo->state &= ~(COMMAND_INFLIGHT | DATA_IN_URB_INFLIGHT | @@ -271,13 +271,13 @@ static int uas_try_complete(struct scsi_cmnd *cmnd, const char *caller) struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; struct uas_dev_info *devinfo = (void *)cmnd->device->hostdata; - WARN_ON(!spin_is_locked(&devinfo->lock)); + WARN_ON_ONCE(!spin_is_locked(&devinfo->lock)); if (cmdinfo->state & (COMMAND_INFLIGHT | DATA_IN_URB_INFLIGHT | DATA_OUT_URB_INFLIGHT | UNLINK_DATA_URBS)) return -EBUSY; - BUG_ON(cmdinfo->state & COMMAND_COMPLETED); + WARN_ON_ONCE(cmdinfo->state & COMMAND_COMPLETED); cmdinfo->state |= COMMAND_COMPLETED; usb_free_urb(cmdinfo->data_in_urb); usb_free_urb(cmdinfo->data_out_urb); @@ -398,8 +398,9 @@ static void uas_data_cmplt(struct urb *urb) sdb = scsi_out(cmnd); cmdinfo->state &= ~DATA_OUT_URB_INFLIGHT; } - BUG_ON(sdb == NULL); - if (urb->status) { + if (sdb == NULL) { + WARN_ON_ONCE(1); + } else if (urb->status) { /* error: no data transfered */ sdb->resid = sdb->length; } else { @@ -573,7 +574,7 @@ static int uas_submit_urbs(struct scsi_cmnd *cmnd, struct uas_cmd_info *cmdinfo = (void *)&cmnd->SCp; int err; - WARN_ON(!spin_is_locked(&devinfo->lock)); + WARN_ON_ONCE(!spin_is_locked(&devinfo->lock)); if (cmdinfo->state & SUBMIT_STATUS_URB) { err = uas_submit_sense_urb(cmnd->device->host, gfp, cmdinfo->stream); @@ -771,7 +772,7 @@ static int uas_eh_abort_handler(struct scsi_cmnd *cmnd) uas_log_cmd_state(cmnd, __func__); spin_lock_irqsave(&devinfo->lock, flags); - WARN_ON(cmdinfo->state & COMMAND_ABORTED); + WARN_ON_ONCE(cmdinfo->state & COMMAND_ABORTED); cmdinfo->state |= COMMAND_ABORTED; list_add_tail(&cmdinfo->dead, &devinfo->dead_list); if (cmdinfo->state & IS_IN_WORK_LIST) { |