Re: [PATCH 2/2] input: Fix crash when SDP record isn't available

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Hi Bastien,

On Sat, Dec 07, 2013, Bastien Nocera wrote:
> On Sat, 2013-12-07 at 21:52 +0400, Johan Hedberg wrote:
> > Hi Bastien,
> > 
> > On Sat, Dec 07, 2013, Bastien Nocera wrote:
> > > On startup, if the SDP cache has been removed but the pairing
> > > information is still present, we'd crash trying to access inside a
> > > NULL record struct.
> > > ---
> > >  profiles/input/device.c | 3 +++
> > >  1 file changed, 3 insertions(+)
> > > 
> > > diff --git a/profiles/input/device.c b/profiles/input/device.c
> > > index 521aca8..62f6dbb 100644
> > > --- a/profiles/input/device.c
> > > +++ b/profiles/input/device.c
> > > @@ -811,6 +811,9 @@ static struct input_device *input_device_new(struct btd_service *service)
> > >  	struct input_device *idev;
> > >  	char name[HCI_MAX_NAME_LENGTH + 1];
> > >  
> > > +	if (!rec)
> > > +		return NULL;
> > > +
> > >  	idev = g_new0(struct input_device, 1);
> > >  	bacpy(&idev->src, btd_adapter_get_address(adapter));
> > >  	bacpy(&idev->dst, device_get_address(device));
> > 
> > I've applied your first patch, but I'd like to understand a bit better
> > how you'd end up in this situation. Is this accomplishable through BlueZ
> > APIs or only if one goes and messes with the storage directly? Either
> > way, is this the best approach or should we consider still creating the
> > input device but just ignore the bits that depend on the SDP record?
> 
> I rm'ed the file in the cache/ directory. I'm not too fussed about what
> the end result actually is, it just shouldn't crash. The same patch with
> a warning that you shouldn't fiddle with the cache directory would be
> fine as well ;)

Fair enough. I've applied the patch now. Thanks.

Johan
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