diff mbox series

scsi: qedi: emove redundant assignment to variable err

Message ID 20210327230650.25803-1-colin.king@canonical.com
State New
Headers show
Series scsi: qedi: emove redundant assignment to variable err | expand

Commit Message

Colin King March 27, 2021, 11:06 p.m. UTC
From: Colin Ian King <colin.king@canonical.com>

variable err is assigned -ENOMEM followed by an error return path
via label err_udev that does not access the variable and returns
with the -ENOMEM error return code. The assignment to err is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
---
 drivers/scsi/qedi/qedi_main.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Manish Rangankar March 30, 2021, 10:08 a.m. UTC | #1
> -----Original Message-----

> From: Colin King <colin.king@canonical.com>

> Sent: Sunday, March 28, 2021 4:37 AM

> To: Nilesh Javali <njavali@marvell.com>; Manish Rangankar

> <mrangankar@marvell.com>; GR-QLogic-Storage-Upstream <GR-QLogic-

> Storage-Upstream@marvell.com>; James E . J . Bottomley

> <jejb@linux.ibm.com>; Martin K . Petersen <martin.petersen@oracle.com>;

> linux-scsi@vger.kernel.org

> Cc: kernel-janitors@vger.kernel.org; linux-kernel@vger.kernel.org

> Subject: [EXT] [PATCH] scsi: qedi: emove redundant assignment to variable err

> 

> External Email

> 

> ----------------------------------------------------------------------

> From: Colin Ian King <colin.king@canonical.com>

> 

> variable err is assigned -ENOMEM followed by an error return path via label

> err_udev that does not access the variable and returns with the -ENOMEM error

> return code. The assignment to err is redundant and can be removed.

> 

> Addresses-Coverity: ("Unused value")

> Signed-off-by: Colin Ian King <colin.king@canonical.com>

> ---

>  drivers/scsi/qedi/qedi_main.c | 4 +---

>  1 file changed, 1 insertion(+), 3 deletions(-)

> 

> diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index

> 69c5b5ee2169..2455d1448a7e 100644

> --- a/drivers/scsi/qedi/qedi_main.c

> +++ b/drivers/scsi/qedi/qedi_main.c

> @@ -276,10 +276,8 @@ static int qedi_alloc_uio_rings(struct qedi_ctx *qedi)

>  	}

> 

>  	udev = kzalloc(sizeof(*udev), GFP_KERNEL);

> -	if (!udev) {

> -		rc = -ENOMEM;

> +	if (!udev)

>  		goto err_udev;

> -	}

> 

>  	udev->uio_dev = -1;

> 

> --

> 2.30.2


Thanks,
Acked-by: Manish Rangankar <mrangankar@marvell.com>
Martin K. Petersen April 2, 2021, 3:54 a.m. UTC | #2
On Sat, 27 Mar 2021 23:06:50 +0000, Colin King wrote:

> variable err is assigned -ENOMEM followed by an error return path

> via label err_udev that does not access the variable and returns

> with the -ENOMEM error return code. The assignment to err is

> redundant and can be removed.


Applied to 5.13/scsi-queue, thanks!

[1/1] scsi: qedi: emove redundant assignment to variable err
      https://git.kernel.org/mkp/scsi/c/8dc602529681

-- 
Martin K. Petersen	Oracle Linux Engineering
diff mbox series

Patch

diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 69c5b5ee2169..2455d1448a7e 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -276,10 +276,8 @@  static int qedi_alloc_uio_rings(struct qedi_ctx *qedi)
 	}
 
 	udev = kzalloc(sizeof(*udev), GFP_KERNEL);
-	if (!udev) {
-		rc = -ENOMEM;
+	if (!udev)
 		goto err_udev;
-	}
 
 	udev->uio_dev = -1;