On Sat, Nov 09, 2024 at 11:38:43AM +0000, Rex Nie wrote: > > > > -----邮件原件----- > > 发件人: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> > > 发送时间: 2024年11月9日 14:59 > > 收件人: Rex Nie <rex.nie@xxxxxxxxxxxxxxx> > > 抄送: linux-usb@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Angus Chen > > <angus.chen@xxxxxxxxxxxxxxx>; stable@xxxxxxxxxxxxxxx > > 主题: Re: [PATCH v2] USB: core: remove dead code in do_proc_bulk() > > > > External Mail: This email originated from OUTSIDE of the organization! > > Do not click links, open attachments or provide ANY information unless you > > recognize the sender and know the content is safe. > > > > > > On Sat, Nov 09, 2024 at 10:11:41AM +0800, Rex Nie wrote: > > > Since len1 is unsigned int, len1 < 0 always false. Remove it keep code > > > simple. > > > > > > Cc: stable@xxxxxxxxxxxxxxx > > > Fixes: ae8709b296d8 ("USB: core: Make do_proc_control() and > > > do_proc_bulk() killable") > > > Signed-off-by: Rex Nie <rex.nie@xxxxxxxxxxxxxxx> > > > --- > > > changes in v2: > > > - Add "Cc: stable@xxxxxxxxxxxxxxx" (kernel test robot) > > > > Why is this relevant for the stable kernels? What bug is being fixed that > > users would hit that this is needed to resolve? > HI Greg k-h, I got a email from lkp@xxxxxxxxx let me add Cc tag yesterday, so I apply v2 patch. That was because you cc: stable and yet did not tag it as such. That's not passing a judgement call on if it should have been done at all, which is what I am asking here. > Although this shouldn't bother users, the expression len1 < 0 in the if condition doesn't make sense, > and removing it makes the code more simple and efficient. The original email from kernel robot test > shows as follows. I think it no need a cc tag either. Does this follow the patches as per the documentation for what should be accepted for stable kernels? thanks, greg k-h