[dpdk-dev] [PATCH v2] vfio: fix pci_vfio_map_resource

Thomas Monjalon thomas.monjalon at 6wind.com
Fri Jul 15 18:42:24 CEST 2016


2016-07-15 17:32, Thomas Monjalon:
> 2016-07-14 17:15, Yong Wang:
> > -				void *second_addr = RTE_PTR_ADD(bar_addr, memreg[1].offset);
> > +				void *second_addr = RTE_PTR_ADD(bar_addr,
> > +								memreg[1].offset - reg.offset);
> 
> There is an error for 32-bit:
> 	error: cast to pointer from integer of different size
> 	note: in expansion of macro ‘RTE_PTR_ADD’

It can fixed like this:
-                    memreg[1].offset - reg.offset);
+                    memreg[1].offset -
+                    (uintptr_t)reg.offset);



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