1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index d545ad1cf47a..a82d2fe80fb5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -445,7 +445,7 @@ static void scsi_init_cmd_errh(struct scsi_cmnd *cmd)
         scsi_set_resid(cmd, 0);
         memset(cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
         if (cmd->cmd_len == 0)
-                cmd->cmd_len = COMMAND_SIZE(cmd->cmnd[0]);
+                cmd->cmd_len = scsi_command_size(cmd->cmnd);
 }
 
 void scsi_device_unbusy(struct scsi_device *sdev)
@@ -1094,6 +1094,8 @@ static struct scsi_cmnd *scsi_get_cmd_from_req(struct scsi_device *sdev,
         cmd->tag = req->tag;
         cmd->request = req;
 
+        cmd->cmnd = req->cmd;
+
         return cmd;
 }
 
@@ -1131,8 +1133,6 @@ int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req)
                 req->buffer = NULL;
         }
 
-        BUILD_BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd));
-        memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
         cmd->cmd_len = req->cmd_len;
         if (!req->data_len)
                 cmd->sc_data_direction = DMA_NONE;
@@ -1169,6 +1169,7 @@ int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req)
         if (unlikely(!cmd))
                 return BLKPREP_DEFER;
 
+        memset(cmd->cmnd, 0, BLK_MAX_CDB);
         return scsi_init_io(cmd, GFP_ATOMIC);
 }
 EXPORT_SYMBOL(scsi_setup_fs_cmnd);