On 2018/8/9 16:13, Stefan Schmidt wrote: > 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> Well, It should be this, but it's been a long time to use the former > > 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. It just a code cleanup only for ca8210. > > 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