rg; Cohen, David A;
> Zhuang, Jin Can; Wang, Yu Y
> Subject: Re: [PATCH] usb: gadget: return the right length in ffs_epfile_io()
>
> Hi,
>
> On Thu, Feb 27, 2014 at 02:49:31PM +0800, Chuansheng Liu wrote:
> > When the request length is aligned to maxpacketsize, sometimes
> >
Hi,
On Thu, Feb 27, 2014 at 02:49:31PM +0800, Chuansheng Liu wrote:
> When the request length is aligned to maxpacketsize, sometimes
> the return length ret > the user space requested len.
>
> At that time, we will use min_t(size_t, ret, len) to limit the
> size in case of user data buffer overfl
On Thu, Feb 27, 2014 at 01:15:25PM +0100, Michal Nazarewicz wrote:
> On Thu, Feb 27 2014, Chuansheng Liu wrote:
> > When the request length is aligned to maxpacketsize, sometimes
> > the return length ret > the user space requested len.
> >
> > At that time, we will use min_t(size_t, ret, len) to
On Thu, Feb 27 2014, Chuansheng Liu wrote:
> When the request length is aligned to maxpacketsize, sometimes
> the return length ret > the user space requested len.
>
> At that time, we will use min_t(size_t, ret, len) to limit the
> size in case of user data buffer overflow.
>
> But we need return
When the request length is aligned to maxpacketsize, sometimes
the return length ret > the user space requested len.
At that time, we will use min_t(size_t, ret, len) to limit the
size in case of user data buffer overflow.
But we need return the min_t(size_t, ret, len) to tell the user
space righ
