PNP: make resource assignment functions return 0 (success) or -EBUSY (failure)
This patch doesn't change any behavior; it just makes the return values more conventional. This changes pnp_assign_dma() from a void function to one that returns an int, just like the other assignment functions. For now, at least, pnp_assign_dma() always returns 0 (success), so it appears to never fail, just like before. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Acked-by: Rene Herman <rene.herman@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
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