Johannes Erdfelt wrote :
> The key is probably the function that calls irda_usb_change_speed_xbofs.
> Most likely it allocates self on the stack (as an automatic variable)
> which is not a valid memory location to DMA from and to.
No, self is not on the stack, I can guarantee you that. It's
declared as :
---------------------------
static struct irda_usb_cb irda_instance[NIRUSB];
---------------------------
And self is just a pointer to one of these static instances.
> I'm sure if you kmalloc self before calling irda_usb_change_speed_xbofs,
> everything will work fine.
Ok, ok...
> JE
Jean
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