On Fri, Jun 07, 2013 at 03:30:52PM -0700, Yinghai Lu wrote: > create_irq() will return -1 when fail to allocate. The ia64 code here will return -ENOSPC.
> create_irq_nr() will return 0 when fail to allocate. > > Will use it to fix one return value checking for dmar_msi irq.
What about to unify the interface? Using -1 is kinda bad.