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PCI: Rationalize pci_ats_queue_depth() error checking
authorBjorn Helgaas <bhelgaas@google.com>
Fri, 17 Jul 2015 20:30:26 +0000 (15:30 -0500)
committerBjorn Helgaas <bhelgaas@google.com>
Thu, 13 Aug 2015 20:57:22 +0000 (15:57 -0500)
commit3c765399524308ab36777a443ce77e19810a97d7
tree2698456eafb15a32339f5d177fc6bb413e1bb321tree | snapshot
parent67930995d7fb8ae7d2078822b563010b289ace2ecommit | diff
PCI: Rationalize pci_ats_queue_depth() error checking

We previously returned -ENODEV for devices that don't support ATS (except
that we always returned 0 for VFs, whether or not they support ATS).

For consistency, always return -EINVAL (not -ENODEV) if the device doesn't
support ATS.  Return zero for VFs that support ATS.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Joerg Roedel <jroedel@suse.de>
drivers/pci/ats.c diff | blob | blame | history
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