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(parent: 089f1c6) | 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)
commitce7585f3c4d76bca1dff4b66ae1ea32552954f9e
treebdaa94825fb400c596b5ddac362d55c0f25680fetree | snapshot (tar.gz zip)
parent089f1c6b2daeab750fd92a28529928bc13c95d97commit | 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: 4e1a635552d3 ("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 | blame | history