diff options
Diffstat (limited to 'drivers/misc/genwqe/card_ddcb.c')
| -rw-r--r-- | drivers/misc/genwqe/card_ddcb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/misc/genwqe/card_ddcb.c b/drivers/misc/genwqe/card_ddcb.c index f10575000180..51480e4f8054 100644 --- a/drivers/misc/genwqe/card_ddcb.c +++ b/drivers/misc/genwqe/card_ddcb.c @@ -390,8 +390,9 @@ static int genwqe_check_ddcb_queue(struct genwqe_dev *cd, 0x00000000) goto go_home; /* not completed, continue waiting */ - /* Note: DDCB could be purged */ + wmb(); /* Add sync to decouple prev. read operations */ + /* Note: DDCB could be purged */ req = queue->ddcb_req[queue->ddcb_act]; if (req == NULL) { /* this occurs if DDCB is purged, not an error */ |