diff mbox series

[net-next] ieee802154: ca8210: Use kmemdup instead of duplicating it in ca8210_test_int_driver_write

Message ID 20180906034228.7660-1-yuehaibing@huawei.com (mailing list archive)
State Not Applicable
Headers show
Series [net-next] ieee802154: ca8210: Use kmemdup instead of duplicating it in ca8210_test_int_driver_write | expand

Commit Message

Yue Haibing Sept. 6, 2018, 3:42 a.m. UTC
Replace calls to kmalloc followed by a memcpy with a direct call tokmemdup.

Patch found using coccinelle.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/net/ieee802154/ca8210.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Yue Haibing Sept. 10, 2018, 2:08 a.m. UTC | #1
sorry, Pls ignore this duplicated patch.

On 2018/9/6 11:42, YueHaibing wrote:
> Replace calls to kmalloc followed by a memcpy with a direct call tokmemdup.
> 
> Patch found using coccinelle.
> 
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
>  drivers/net/ieee802154/ca8210.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
> index 58299fb..e21279d 100644
> --- a/drivers/net/ieee802154/ca8210.c
> +++ b/drivers/net/ieee802154/ca8210.c
> @@ -634,10 +634,9 @@ static int ca8210_test_int_driver_write(
>  	for (i = 0; i < len; i++)
>  		dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]);
>  
> -	fifo_buffer = kmalloc(len, GFP_KERNEL);
> +	fifo_buffer = kmemdup(buf, len, GFP_KERNEL);
>  	if (!fifo_buffer)
>  		return -ENOMEM;
> -	memcpy(fifo_buffer, buf, len);
>  	kfifo_in(&test->up_fifo, &fifo_buffer, 4);
>  	wake_up_interruptible(&priv->test.readq);
>  
>
diff mbox series

Patch

diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 58299fb..e21279d 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -634,10 +634,9 @@  static int ca8210_test_int_driver_write(
 	for (i = 0; i < len; i++)
 		dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]);
 
-	fifo_buffer = kmalloc(len, GFP_KERNEL);
+	fifo_buffer = kmemdup(buf, len, GFP_KERNEL);
 	if (!fifo_buffer)
 		return -ENOMEM;
-	memcpy(fifo_buffer, buf, len);
 	kfifo_in(&test->up_fifo, &fifo_buffer, 4);
 	wake_up_interruptible(&priv->test.readq);