Messages in this thread | | | Date | Sun, 20 May 2001 13:16:25 -0400 | From | Jeff Garzik <> | Subject | Re: alpha iommu fixes |
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Andrea Arcangeli wrote: > > On Sun, May 20, 2001 at 03:49:58PM +0200, Andrea Arcangeli wrote: > > they returned zero. You either have to drop the skb or to try again later > > if they returns zero. > > BTW, pci_map_single is not a nice interface, it cannot return bus > address 0,
who says?
A value of zero for the mapping is certainly an acceptable value, and it should be handled by drivers.
In fact its an open bug in a couple net drivers that they check the mapping to see if it is non-zero...
-- Jeff Garzik | "Do you have to make light of everything?!" Building 1024 | "I'm extremely serious about nailing your MandrakeSoft | step-daughter, but other than that, yes." - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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