On Mon, Aug 11, 2014 at 01:29:26PM +0530, Sanjeev Sharma wrote: > spin_is_locked() always return false in uniprocessor configuration and > therefore it > would be advise to repalce with assert_spin_locked(). > > Signed-off-by: Sanjeev Sharma <sanjeev_sha...@mentor.com> > --- > drivers/usb/storage/uas.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c > index 3f42785..8e5877d 100644 > --- a/drivers/usb/storage/uas.c > +++ b/drivers/usb/storage/uas.c > @@ -154,7 +154,7 @@ static void uas_mark_cmd_dead(struct uas_dev_info > *devinfo, > struct scsi_cmnd *cmnd = container_of(scp, struct scsi_cmnd, SCp); > > uas_log_cmd_state(cmnd, caller); > - WARN_ON_ONCE(!spin_is_locked(&devinfo->lock)); > + assert_spin_locked(&devinfo->lock);
Seems to me that replacing WARN_ON_ONCE (which may be annoying but only creates a traceback, and only once) with assert_spin_locked (which crashes the kernel) is a bit drastic. Guenter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/