[PATCH] scsi: not need to alloc zero buffer for local_atto_ioctl

[PATCH] scsi: not need to alloc zero buffer for local_atto_ioctl

[Shawn Lin]

We don't need to use kzalloc as we will always memset the
local_atto_ioctl later.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
---

 drivers/scsi/esas2r/esas2r_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
index 2aca4d1..5092c82 100644
--- a/drivers/scsi/esas2r/esas2r_main.c
+++ b/drivers/scsi/esas2r/esas2r_main.c
@@ -194,7 +194,7 @@ static ssize_t write_hw(struct file *file, struct kobject *kobj,
 	int length = min(sizeof(struct atto_ioctl), count);
 
 	if (!a->local_atto_ioctl) {
-		a->local_atto_ioctl = kzalloc(sizeof(struct atto_ioctl),
+		a->local_atto_ioctl = kmalloc(sizeof(struct atto_ioctl),
 					      GFP_KERNEL);
 		if (a->local_atto_ioctl == NULL) {
 			esas2r_log(ESAS2R_LOG_WARN,
-- 
2.3.7

Re: [PATCH] scsi: not need to alloc zero buffer for local_atto_ioctl

[Bradley Grove]

Acked-by: Bradley Grove <bgrove@attotech.com>

On 08/20/2016 10:33 PM, Shawn Lin wrote:
> We don't need to use kzalloc as we will always memset the
> local_atto_ioctl later.
>
> Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
> ---
>
>  drivers/scsi/esas2r/esas2r_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c
> index 2aca4d1..5092c82 100644
> --- a/drivers/scsi/esas2r/esas2r_main.c
> +++ b/drivers/scsi/esas2r/esas2r_main.c
> @@ -194,7 +194,7 @@ static ssize_t write_hw(struct file *file, struct kobject *kobj,
>  	int length = min(sizeof(struct atto_ioctl), count);
>
>  	if (!a->local_atto_ioctl) {
> -		a->local_atto_ioctl = kzalloc(sizeof(struct atto_ioctl),
> +		a->local_atto_ioctl = kmalloc(sizeof(struct atto_ioctl),
>  					      GFP_KERNEL);
>  		if (a->local_atto_ioctl == NULL) {
>  			esas2r_log(ESAS2R_LOG_WARN,
>



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Re: [PATCH] scsi: not need to alloc zero buffer for local_atto_ioctl

[Martin K. Petersen]

>>>>> "Shawn" == Shawn Lin <shawn.lin@rock-chips.com> writes:

Shawn> We don't need to use kzalloc as we will always memset the
Shawn> local_atto_ioctl later.

Applied to 4.9/scsi-queue.

-- 
Martin K. Petersen	Oracle Linux Engineering