On Sat, Jun 29, 2019 at 04:40:11PM +0800, yuan linyu wrote:
> when below condition occur, the buf will be dirty again.
> if (result > 1 && ((u8 *)buf)[1] != type) {
> result = -ENODATA;
> continue;
> }
> so caller should check return length which indicate buffer valid or not.
I still fail to see what this means at all.
A changelog comment should explain what the problem is and why it is
being fixed in this way.
>
> Signed-off-by: yuan linyu <[email protected]>
> ---
> drivers/usb/core/message.c | 2 --
> 1 file changed, 2 deletions(-)
Also you need to put what changed from a previous patch below the ---
line like the documentation states to do.
thanks,
greg k-h
