Re: [v3.11][Regression] HID: hyperv: convert alloc+memcpy to memdup

[Dan Carpenter]

On Fri, Sep 27, 2013 at 10:42:10AM -0400, Joseph Salisbury wrote:
> On 09/27/2013 06:50 AM, Jiri Kosina wrote:
> > On Wed, 25 Sep 2013, Joseph Salisbury wrote:
> >
> >> After further testing reverting the following commit does in fact
> >> resolve the bug:
> >>
> >> commit b1a1442a23776756b254b69786848a94d92445ba
> >> Author: Jiri Kosina <jkosina@xxxxxxx>
> >> Date: Mon Jun 3 11:27:48 2013 +0200
> >>
> >>     HID: core: fix reporting of raw events
> >>
> >> Reverting this commit in v3.12-rc2 prevents the system from locking up, 
> >> which happens when connecting a bluetooth trackpad.
> >>
> >> Jiri, do you think we should revert this patch, or is there some further 
> >> debugging/data collecting you would like to do?
> > Hi Joseph,
> >
> > in this mail:
> >
> > 	Message-ID: <5241992E.3090805@xxxxxxxxxxxxx>
> > 	Date: Tue, 24 Sep 2013 09:52:46 -0400
> >
> > you said that reverting this commit doesn't prevent the lockups, so I am 
> > rather confused ... ?
> >
> > Thanks,
> >
> The testing was invalid.  Reverting commit b1a1442 does resolve the bug
> and stop the lockups.
> 

It looks like magicmouse_raw_event() returns 1 on success and 0 on
failure.

regards,
dan carpenter
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