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ieee802154: Use kmemdup instead of duplicating it in ca8210_test_int_driver_write

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Replace calls to kmalloc followed by a memcpy with a direct call to
kmemdup.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
This commit is contained in:
YueHaibing 2018-08-09 14:44:29 +08:00 committed by Stefan Schmidt
parent 10bc6a6042
commit 5b3686c7aa
1 changed files with 1 additions and 2 deletions
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3
drivers/net/ieee802154/ca8210.c
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@ -634,10 +634,9 @@ static int ca8210_test_int_driver_write(
for (i = 0; i < len; i++) for (i = 0; i < len; i++)
dev_dbg(&priv->spi->dev, "%#03x\n", buf[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) if (!fifo_buffer)
return -ENOMEM; return -ENOMEM;
memcpy(fifo_buffer, buf, len);
kfifo_in(&test->up_fifo, &fifo_buffer, 4); kfifo_in(&test->up_fifo, &fifo_buffer, 4);
wake_up_interruptible(&priv->test.readq); wake_up_interruptible(&priv->test.readq);