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Subject[PATCH 2/2] staging: unisys: return error value directly
Date
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>
---
drivers/staging/unisys/visorhba/visorhba_main.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c
index 593a486..d5178b4 100644
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@ -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;
}

/**
--
1.9.1


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