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| H A D | isci_interrupt.c | diff 854c31980e5423cac1fa5d853eadbbebef75a556 Tue Sep 08 18:05:18 CEST 2015 Jim Harris <jimharris@FreeBSD.org> isci: check return value of pci_alloc_msix()
Certain VM guest types (VMware, Xen) do not support MSI, so pci_alloc_msix()
always fails. isci(4) was not properly detecting the allocation failure,
and would try to proceed with MSIx resource initialization rather than
reverting to INTx.
Reported and tested by: Bradley W. Dutton (brad-fbsd-stable@duttonbros.com)
MFC after: 3 days
Sponsored by: Intel
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