diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/ub.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/block/ub.c b/drivers/block/ub.c index f32781cff456..e67bbae9547d 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -781,8 +781,10 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) if (cmd->error == 0) { if (blk_pc_request(rq)) { - if (cmd->act_len < blk_rq_bytes(rq)) - rq->resid_len = blk_rq_bytes(rq) - cmd->act_len; + if (cmd->act_len >= rq->resid_len) + rq->resid_len = 0; + else + rq->resid_len -= cmd->act_len; scsi_status = 0; } else { if (cmd->act_len != cmd->len) { |