Re: [PATCH] scsi: hpsa: remove unneeded void pointer cast

From: Don Brace
Date: Thu Oct 13 2016 - 16:45:35 EST


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@xxxxxxxxxxxxxxx>
---

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@xxxxxxxxxxxxx>