Hello. On 08/09/2018 08:44 AM, YueHaibing wrote: > Replace calls to kmalloc followed by a memcpy with a direct call to > kmemdup. > > Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Is Yue your forname and Haibing your surname? In that case having it written as Yue Haibing <yuehaibing@xxxxxxxxxx> in the from line as well as in the SOB would be better. > --- > 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); Is this some kernel tree wide change you are submitting patches for or only for the ca8210 driver? Is there any specific problem you see with the kmalloc and memcpy code here? To me it looks fine. The reason I ask is to understand if this is bug fix or a cleanup. Harry, if you are ok with this one let me know with an Acked-By regards Stefan Schmidt -- To unsubscribe from this list: send the line "unsubscribe linux-wpan" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
