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Message-ID: <27240C0AC20F114CBF8149A2696CBE4A01C3E4C2@SHSMSX101.ccr.corp.intel.com>
Date: Tue, 4 Mar 2014 23:38:32 +0000
From: "Liu, Chuansheng" <chuansheng.liu@...el.com>
To: "balbi@...com" <balbi@...com>,
Michal Nazarewicz <mina86@...a86.com>
CC: Robert Baldyga <r.baldyga@...sung.com>,
Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"david.a.cohen@...ux.intel.com" <david.a.cohen@...ux.intel.com>
Subject: RE: [PATCH v2] usb: gadget: return the right length in
ffs_epfile_io()
Hi Balbi,
> -----Original Message-----
> From: Felipe Balbi [mailto:balbi@...com]
> Sent: Wednesday, March 05, 2014 3:56 AM
> To: Michal Nazarewicz
> Cc: Robert Baldyga; Felipe Balbi; Sergei Shtylyov; Liu, Chuansheng;
> gregkh@...uxfoundation.org; linux-usb@...r.kernel.org;
> linux-kernel@...r.kernel.org; david.a.cohen@...ux.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 *file,
> struct ffs_io_data *io_data)
> > >> > * we may end up with more data then user space has
> > >> > * space for.
> > >> > */
> > >> >- ret = ep->status;
> > >> >- if (io_data->read && ret > 0 &&
> > >> >- unlikely(copy_to_user(io_data->buf, data,
> > >> >- min_t(size_t, ret,
> > >> >- io_data->len))))
> > >> >- ret = -EFAULT;
> > >> >+ ret = ep->status;
> >
> > On Tue, Mar 04 2014, Felipe Balbi wrote:
> > >> Why the indentation jumped suddenly to the right?
> >
> > > On Tue, Mar 04, 2014 at 08:01:15PM +0300, Sergei Shtylyov wrote:
> > > because it was wrong before ;-)
> >
> > Yep. It looks like Robert's [2e4c7553: add aio support] introduced an
> > if-else-if-else flow but did not indent the code and I didn't caught it
> > when reviewing that patch.
>
> it's in my testing/next now, I also fixed the comment indentation which
> was also wrong.
Thanks your help and the fix for comment indentation also:)
Best Regards
Chuansheng
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