| commit | ce7585f3c4d76bca1dff4b66ae1ea32552954f9e | |
| author | Alex Williamson <alex.williamson@redhat.com> | |
| Wed, 1 Jun 2016 03:25:52 +0000 (31 21:25 -0600) | ||
| committer | Alex Williamson <alex.williamson@redhat.com> | |
| Wed, 1 Jun 2016 03:25:52 +0000 (31 21:25 -0600) | ||
| tree | bdaa94825fb400c596b5ddac362d55c0f25680fe | treesnapshot (tar.gz zip) |
| parent | 089f1c6b2daeab750fd92a28529928bc13c95d97 | commitdiff |
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>
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 | diffblobblamehistory |