bi; Sergei Shtylyov; Liu, Chuansheng;
> > gre...@linuxfoundation.org; linux-...@vger.kernel.org;
> > linux-kernel@vger.kernel.org; david.a.co...@linux.intel.com
> > Subject: Re: [PATCH v2] usb: gadget: return the right length in
> > ffs_epfile_io()
> >
>
...@linuxfoundation.org; linux-...@vger.kernel.org;
linux-kernel@vger.kernel.org; david.a.co...@linux.intel.com
Subject: Re: [PATCH v2] usb: gadget: return the right length in
ffs_epfile_io()
On Tue, Mar 04, 2014 at 08:53:40PM +0100, Michal Nazarewicz wrote:
On 03/04/2014 10:34 AM
rg;
> linux-kernel@vger.kernel.org; david.a.co...@linux.intel.com
> Subject: Re: [PATCH v2] usb: gadget: return the right length in
> ffs_epfile_io()
>
> On Tue, Mar 04, 2014 at 08:53:40PM +0100, Michal Nazarewicz wrote:
> > >> On 03/04/2014 10:34 AM, Chuansheng Liu wrote:
On Tue, Mar 04, 2014 at 08:53:40PM +0100, Michal Nazarewicz wrote:
> >> On 03/04/2014 10:34 AM, Chuansheng Liu wrote:
> >> >@@ -845,12 +845,14 @@ static ssize_t ffs_epfile_io(struct file *file,
> >> >struct ffs_io_data *io_data)
> >> > * we may end up with more data then
>> On 03/04/2014 10:34 AM, Chuansheng Liu wrote:
>> >@@ -845,12 +845,14 @@ static ssize_t ffs_epfile_io(struct file *file,
>> >struct ffs_io_data *io_data)
>> > * we may end up with more data then user space has
>> > * space for.
>> > */
On Tue, Mar 04, 2014 at 08:01:15PM +0300, Sergei Shtylyov wrote:
> Hello.
>
> On 03/04/2014 10:34 AM, 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,
Hello.
On 03/04/2014 10:34 AM, 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
Hello.
On 03/04/2014 10:34 AM, 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
On Tue, Mar 04, 2014 at 08:01:15PM +0300, Sergei Shtylyov wrote:
Hello.
On 03/04/2014 10:34 AM, 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 03/04/2014 10:34 AM, Chuansheng Liu wrote:
@@ -845,12 +845,14 @@ static ssize_t ffs_epfile_io(struct file *file,
struct ffs_io_data *io_data)
* we may end up with more data then user space has
* space for.
*/
-
On Tue, Mar 04, 2014 at 08:53:40PM +0100, Michal Nazarewicz wrote:
On 03/04/2014 10:34 AM, Chuansheng Liu wrote:
@@ -845,12 +845,14 @@ static ssize_t ffs_epfile_io(struct file *file,
struct ffs_io_data *io_data)
* we may end up with more data then user space
@vger.kernel.org; david.a.co...@linux.intel.com
Subject: Re: [PATCH v2] usb: gadget: return the right length in
ffs_epfile_io()
On Tue, Mar 04, 2014 at 08:53:40PM +0100, Michal Nazarewicz wrote:
On 03/04/2014 10:34 AM, Chuansheng Liu wrote:
@@ -845,12 +845,14 @@ static ssize_t ffs_epfile_io(struct file
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