On Mon, Dec 20, 2021 at 11:37:58AM +0800, Greg KH wrote: > This patch is obviously not correct, and will cause problems if it were > accepted. > > Please work on whatever tool you are using to find and make these > changes, as it is not working properly. > > Or, if this was a manual change, please work on your kernel programming > skills. There are a number of bugs in this proposed change, showing > that it was not tested at all. Sorry, I am not so familiar with the kernel and I really change the code manually. Could you please tell me what's wrong with my patch with more details? And I just find that I may forget to release the chan. Is that all? Or there are other bugs I need to deal with. Sincerely thanks, Jiasheng