2020-04-29 15:42:48

by Colin King

[permalink] [raw]
Subject: [PATCH] scsi: pm80xx: remove redundant assignments to status

From: Colin Ian King <[email protected]>

The variable status is being assigned with a value that is never read
hence the assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[email protected]>
---
drivers/scsi/pm8001/pm80xx_hwi.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c
index 4d205ebaee87..f5e36375a68f 100644
--- a/drivers/scsi/pm8001/pm80xx_hwi.c
+++ b/drivers/scsi/pm8001/pm80xx_hwi.c
@@ -235,7 +235,6 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
pm8001_ha->forensic_fatal_step = 1;
pm8001_ha->fatal_forensic_shift_offset = 0;
pm8001_ha->forensic_last_offset = 0;
- status = 0;
offset = (int)
((char *)pm8001_ha->forensic_info.data_buf.direct_data
- (char *)buf);
@@ -258,7 +257,6 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
forensic_info.data_buf.direct_data,
"%08x ", *(temp + index));
}
- status = 0;
offset = (int)
((char *)pm8001_ha->forensic_info.data_buf.direct_data
- (char *)buf);
@@ -285,7 +283,6 @@ ssize_t pm80xx_get_fatal_dump(struct device *cdev,
pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
pm8001_ha->fatal_forensic_shift_offset);
pm8001_ha->fatal_bar_loc = 0;
- status = 0;
offset = (int)
((char *)pm8001_ha->forensic_info.data_buf.direct_data
- (char *)buf);
--
2.25.1


2020-04-29 19:58:25

by Dan Carpenter

[permalink] [raw]
Subject: Re: [PATCH] scsi: pm80xx: remove redundant assignments to status

On Wed, Apr 29, 2020 at 04:40:55PM +0100, Colin King wrote:
> From: Colin Ian King <[email protected]>
>
> The variable status is being assigned with a value that is never read
> hence the assignment is redundant and can be removed.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <[email protected]>

Better to remove the "status" variable entirely.

regards,
dan carpenter