PCI: Prevent VPD access for buggy devices

Browse source

On some devices, reading or writing VPD causes a system panic.
This can be easily reproduced by running "lspci -vvv" or
"cat /sys/bus/devices/XX../vpd".

Blacklist these devices so we don't access VPD data at all.

[bhelgaas: changelog, comment, drop pci/access.c changes]
Link: https://bugzilla.kernel.org/show_bug.cgi?id=110681
Tested-by: Shane Seymour <shane.seymour@hpe.com>
Tested-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: Babu Moger <babu.moger@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Alexander Duyck <alexander.duyck@gmail.com>

...

This commit is contained in:

Babu Moger 2016-02-15 09:42:02 +01:00 • committed by Bjorn Helgaas

parent c521b014cd

commit 7c20078a81

1 changed files with 29 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

29

drivers/pci/quirks.c

View file