Commit ff65212c authored Oct 13, 2015 by Dan Carpenter Committed by Greg Kroah-Hartman Oct 17, 2015

misc: mic/scif: re-take a lock on error path



The caller expects that we take this lock again before returning
otherwise it you get double unlocks and races.

Fixes: ba612aa8 ('misc: mic: SCIF memory registration and unregistration')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent edf56008

drivers/misc/mic/scif/scif_rma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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: