diff mbox series

scsi: qedi: emove redundant assignment to variable err

Message ID 20210327230650.25803-1-colin.king@canonical.com (mailing list archive)
State Accepted
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
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;