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(parent: 668e2df) | patch
vfio/pci: Allow VPD short read
authorAlex Williamson <alex.williamson@redhat.com>
Wed, 1 Jun 2016 03:25:52 +0000 (21:25 -0600)
committerAlex Williamson <alex.williamson@redhat.com>
Wed, 1 Jun 2016 03:25:52 +0000 (21:25 -0600)
commitfe1cfcc7da09d4a169c734921cbf885007994780
treebdaa94825fb400c596b5ddac362d55c0f25680fetree | snapshot
parent668e2dfab376bb4d229cee7638819f1e68594535commit | diff
vfio/pci: Allow VPD short read

The size of the VPD area is not necessarily 4-byte aligned, so a
pci_vpd_read() might return less than 4 bytes.  Zero our buffer and
accept anything other than an error.  Intel X710 NICs exercise this.

Fixes: ad1f9f97cf2c ("vfio/pci: Use kernel VPD access functions")
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
drivers/vfio/pci/vfio_pci_config.c diff | blob | history
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