Am Montag, 27. Februar 2012, 14:13:37 schrieb Bjørn Mork:
> > +/* using a counter to merge subdriver requests with our own into a combined state */
> > static int qmi_wwan_manage_power(struct usbnet *dev, int on)
> > {
> > - dev->intf->needs_remote_wakeup = on;
> > - return 0;
> > + atomic_t *pmcount = (void *)&dev->data[1];
> >
> > Where is this initialized?
>
> struct usbnet is allocated as a private part of the netdev by
> usbnet_probe => alloc_etherdev => alloc_netdev_mqs => kzalloc
> So the whole data[5] array should already be properly initialized to 0
Hi,
strictly speaking atomic variables must be initialized. One cannot depend
on a binary 0 meaning that an atomic ariable is 0 and ready to use.
Regards
Oliver
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