drbd: Make sure that drbd_send() has sent the right number of bytes

Reviewed-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 150ed16d26ef..50b6841d135b 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2580,7 +2580,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
         if (ok && dgs) {
                 dgb = mdev->int_dig_out;
                 drbd_csum_bio(mdev, mdev->integrity_w_tfm, req->master_bio, dgb);
-                ok = drbd_send(mdev, mdev->data.socket, dgb, dgs, 0);
+                ok = dgs == drbd_send(mdev, mdev->data.socket, dgb, dgs, 0);
         }
         if (ok) {
                 /* For protocol A, we have to memcpy the payload into
@@ -2662,7 +2662,7 @@ int drbd_send_block(struct drbd_conf *mdev, enum drbd_packets cmd,
         if (ok && dgs) {
                 dgb = mdev->int_dig_out;
                 drbd_csum_ee(mdev, mdev->integrity_w_tfm, e, dgb);
-                ok = drbd_send(mdev, mdev->data.socket, dgb, dgs, 0);
+                ok = dgs == drbd_send(mdev, mdev->data.socket, dgb, dgs, 0);
         }
         if (ok)
                 ok = _drbd_send_zc_ee(mdev, e);