staging: unisys: return error value directly
authorSudip Mukherjee <sudipm.mukherjee@gmail.com>
Mon, 16 Nov 2015 14:46:46 +0000 (20:16 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 17 Nov 2015 22:19:57 +0000 (14:19 -0800)
In case of error we are jumping to err_del_scsipending_ent and always
returning SCSI_MLQUEUE_DEVICE_BUSY from error path. We donot need a
variable to return a fixed error value, it can be returned directly.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/unisys/visorhba/visorhba_main.c

index 593a48627b09d3cfff1e47a927fe72a5a0cc69c7..d5178b44ba8c9485c44ad9ce980e4df4550ac419 100644 (file)
@@ -460,7 +460,6 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd,
                (struct visorhba_devdata *)scsihost->hostdata;
        struct scatterlist *sg = NULL;
        struct scatterlist *sglist = NULL;
-       int err = 0;
 
        if (devdata->serverdown || devdata->serverchangingstate)
                return SCSI_MLQUEUE_DEVICE_BUSY;
@@ -495,10 +494,8 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd,
        if (cmdrsp->scsi.bufflen > devdata->max_buff_len)
                devdata->max_buff_len = cmdrsp->scsi.bufflen;
 
-       if (scsi_sg_count(scsicmd) > MAX_PHYS_INFO) {
-               err = SCSI_MLQUEUE_DEVICE_BUSY;
+       if (scsi_sg_count(scsicmd) > MAX_PHYS_INFO)
                goto err_del_scsipending_ent;
-       }
 
        /* convert buffer to phys information  */
        /* buffer is scatterlist - copy it out */
@@ -512,16 +509,15 @@ visorhba_queue_command_lck(struct scsi_cmnd *scsicmd,
 
        if (!visorchannel_signalinsert(devdata->dev->visorchannel,
                                       IOCHAN_TO_IOPART,
-                                      cmdrsp)) {
+                                      cmdrsp))
                /* queue must be full and we aren't going to wait */
-               err = SCSI_MLQUEUE_DEVICE_BUSY;
                goto err_del_scsipending_ent;
-       }
+
        return 0;
 
 err_del_scsipending_ent:
        del_scsipending_ent(devdata, insert_location);
-       return err;
+       return SCSI_MLQUEUE_DEVICE_BUSY;
 }
 
 /**