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authorLars Ellenberg <lars.ellenberg@linbit.com>2012-02-08 15:32:51 +0100
committerPhilipp Reisner <philipp.reisner@linbit.com>2012-11-08 16:58:15 +0100
commitb17f33cb0abe61942083444fa6d218d7ca147773 (patch)
tree823676aa71ad472772eed201a5bf794e046abd2b /drivers/block/drbd/drbd_main.c
parent4d0fc3fdc3144b974888bb06efad69a0eb85719a (diff)
downloadvexpress-lsk-b17f33cb0abe61942083444fa6d218d7ca147773.tar.gz
drbd: explicitly clear unused dp_flags in drbd_send_block
We send left-over garbage from the previous packet in P_DATA_REPLY and P_RS_DATA_REPLY packets. That's bad behaviour. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
-rw-r--r--drivers/block/drbd/drbd_main.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 8b99f4e28cc..c312a3bb936 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -1882,6 +1882,7 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packet cmd,
p->sector = cpu_to_be64(peer_req->i.sector);
p->block_id = peer_req->block_id;
p->seq_num = 0; /* unused */
+ p->dp_flags = 0;
if (dgs)
drbd_csum_ee(mdev, mdev->tconn->integrity_tfm, peer_req, p + 1);
err = __send_command(mdev->tconn, mdev->vnr, sock, cmd, sizeof(*p) + dgs, NULL, peer_req->i.size);