[PATCH 4/5] sd: Remove superfluous residual assignments

[Bart Van Assche]

Since commit 26e85fcd15f6 ("[SCSI] sd: Permit merged discard requests";
kernel v3.10) sd_done() sets the residual not only for failed special
requests but also for special requests that succeeded. Hence remove the
code from functions called by sd_init_command() that sets the residual.
This patch does not change any functionality.

Signed-off-by: Bart Van Assche <bvanass...@acm.org>
---
 drivers/scsi/sd.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index d5f1f2ff523c..e1dc5b52f00c 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -844,7 +844,6 @@ static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd 
*cmd)
        cmd->allowed = SD_MAX_RETRIES;
        cmd->transfersize = data_len;
        rq->timeout = SD_TIMEOUT;
-       scsi_req(rq)->resid_len = data_len;
 
        return scsi_init_io(cmd);
 }
@@ -876,7 +875,6 @@ static blk_status_t sd_setup_write_same16_cmnd(struct 
scsi_cmnd *cmd,
        cmd->allowed = SD_MAX_RETRIES;
        cmd->transfersize = data_len;
        rq->timeout = unmap ? SD_TIMEOUT : SD_WRITE_SAME_TIMEOUT;
-       scsi_req(rq)->resid_len = data_len;
 
        return scsi_init_io(cmd);
 }
@@ -908,7 +906,6 @@ static blk_status_t sd_setup_write_same10_cmnd(struct 
scsi_cmnd *cmd,
        cmd->allowed = SD_MAX_RETRIES;
        cmd->transfersize = data_len;
        rq->timeout = unmap ? SD_TIMEOUT : SD_WRITE_SAME_TIMEOUT;
-       scsi_req(rq)->resid_len = data_len;
 
        return scsi_init_io(cmd);
 }
-- 
2.20.1.791.gb4d0f1c61a-goog