drbd: fix spurious protocol error
If we cannot satisfy a request (because our disk just broke),
we still need to drain the payload. Or we'll get a protocol error
when interpreting the payload as DRBD packet header.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index e4e4edd..983e49c 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2085,7 +2085,8 @@
"no local data.\n");
drbd_send_ack_rp(mdev, cmd == P_DATA_REQUEST ? P_NEG_DREPLY :
P_NEG_RS_DREPLY , p);
- return TRUE;
+ /* drain possibly payload */
+ return drbd_drain_block(mdev, digest_size);
}
/* GFP_NOIO, because we must not cause arbitrary write-out: in a DRBD