On Tue, 2015-10-13 at 15:52 +0300, Dan Carpenter wrote: > The caller expects that we take this lock again before returning > otherwise it you get double unlocks and races. >
Reviewed-by: Sudeep Dutt <sudeep.d...@intel.com> Thanks for the fix! > Fixes: ba612aa8b487 ('misc: mic: SCIF memory registration and unregistration') > Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> > > diff --git a/drivers/misc/mic/scif/scif_rma.c > b/drivers/misc/mic/scif/scif_rma.c > index e288996..980ef13 100644 > --- a/drivers/misc/mic/scif/scif_rma.c > +++ b/drivers/misc/mic/scif/scif_rma.c > @@ -680,6 +680,7 @@ int scif_unregister_window(struct scif_window *window) > } > } else { > /* Return ENXIO since unregistration is in progress */ > + mutex_lock(&ep->rma_info.rma_lock); > return -ENXIO; > } > retry: -- 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/