[PATCH] usb: ehci: initialize ehci_data

Sascha Hauer s.hauer at pengutronix.de
Mon Mar 4 14:16:17 EST 2013


On Mon, Mar 04, 2013 at 08:05:29PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 17:00 Mon 04 Mar     , Sascha Hauer wrote:
> > Without it fields of ehci_data may be unitialized and the driver
> > crashes.
> > 
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> >  drivers/usb/host/ehci-hcd.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
> > index 0c789e4..7c389aa 100644
> > --- a/drivers/usb/host/ehci-hcd.c
> > +++ b/drivers/usb/host/ehci-hcd.c
> > @@ -892,7 +892,7 @@ int ehci_register(struct device_d *dev, struct ehci_data *data)
> >  
> >  static int ehci_probe(struct device_d *dev)
> >  {
> > -	struct ehci_data data;
> > +	struct ehci_data data = {};
> 
> I'll prefer a memset

Then you'll happy to hear that this is what the compiler makes from it
anyway.

Sascha

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