* [PATCH] scsi: hpsa: remove unneeded void pointer cast
@ 2016-10-13 16:10 Javier Martinez Canillas
2016-10-13 20:45 ` Don Brace
2016-10-14 20:23 ` Martin K. Petersen
0 siblings, 2 replies; 3+ messages in thread
From: Javier Martinez Canillas @ 2016-10-13 16:10 UTC (permalink / raw)
To: linux-kernel
Cc: Javier Martinez Canillas, iss_storagedev, linux-scsi,
James E.J. Bottomley, esc.storagedev, Don Brace,
Martin K. Petersen
It's not necessary to cast the result of kmalloc, since void pointers are
promoted to any other type. This also fixes following coccinelle warning:
casting value returned by memory allocation function to (BIG_IOCTL_Command_struct *) is useless.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
---
drivers/scsi/hpsa.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index d007ec18179a..4e82b692298e 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -6657,8 +6657,7 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp)
return -EINVAL;
if (!capable(CAP_SYS_RAWIO))
return -EPERM;
- ioc = (BIG_IOCTL_Command_struct *)
- kmalloc(sizeof(*ioc), GFP_KERNEL);
+ ioc = kmalloc(sizeof(*ioc), GFP_KERNEL);
if (!ioc) {
status = -ENOMEM;
goto cleanup1;
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] scsi: hpsa: remove unneeded void pointer cast
2016-10-13 16:10 [PATCH] scsi: hpsa: remove unneeded void pointer cast Javier Martinez Canillas
@ 2016-10-13 20:45 ` Don Brace
2016-10-14 20:23 ` Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Don Brace @ 2016-10-13 20:45 UTC (permalink / raw)
To: Javier Martinez Canillas
Cc: iss_storagedev, linux-scsi, James E.J. Bottomley, esc.storagedev,
Martin K. Petersen, linux-kernel
On 10/13/2016 11:10 AM, Javier Martinez Canillas wrote:
> It's not necessary to cast the result of kmalloc, since void pointers are
> promoted to any other type. This also fixes following coccinelle warning:
>
> casting value returned by memory allocation function to (BIG_IOCTL_Command_struct *) is useless.
>
> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
> ---
>
> drivers/scsi/hpsa.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
> index d007ec18179a..4e82b692298e 100644
> --- a/drivers/scsi/hpsa.c
> +++ b/drivers/scsi/hpsa.c
> @@ -6657,8 +6657,7 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp)
> return -EINVAL;
> if (!capable(CAP_SYS_RAWIO))
> return -EPERM;
> - ioc = (BIG_IOCTL_Command_struct *)
> - kmalloc(sizeof(*ioc), GFP_KERNEL);
> + ioc = kmalloc(sizeof(*ioc), GFP_KERNEL);
> if (!ioc) {
> status = -ENOMEM;
> goto cleanup1;
Acked-by: Don Brace <don.brace@microsemi.com>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] scsi: hpsa: remove unneeded void pointer cast
2016-10-13 16:10 [PATCH] scsi: hpsa: remove unneeded void pointer cast Javier Martinez Canillas
2016-10-13 20:45 ` Don Brace
@ 2016-10-14 20:23 ` Martin K. Petersen
1 sibling, 0 replies; 3+ messages in thread
From: Martin K. Petersen @ 2016-10-14 20:23 UTC (permalink / raw)
To: Javier Martinez Canillas
Cc: linux-kernel, iss_storagedev, linux-scsi, James E.J. Bottomley,
esc.storagedev, Don Brace, Martin K. Petersen
>>>>> "Javier" == Javier Martinez Canillas <javier@osg.samsung.com> writes:
Javier> It's not necessary to cast the result of kmalloc, since void
Javier> pointers are promoted to any other type. This also fixes
Javier> following coccinelle warning:
Javier> casting value returned by memory allocation function to
Javier> (BIG_IOCTL_Command_struct *) is useless.
Applied to 4.10/scsi-queue.
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-10-13 20:45 ` Don Brace
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