linux-kernel - [PATCH v2 9/9] PCI: Expand "VPD access disabled" quirk message

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20161121214617.21036.65418.stgit@bhelgaas-glaptop.roam.corp.google.com>
Date:   Mon, 21 Nov 2016 15:46:17 -0600
From:   Bjorn Helgaas <bhelgaas@...gle.com>
To:     linux-pci@...r.kernel.org,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc:     Lukas Wunner <lukas@...ner.de>, linux-kernel@...r.kernel.org
Subject: [PATCH v2 9/9] PCI: Expand "VPD access disabled" quirk message

It's not very enlightening to see

  pci 0000:07:00.0: [Firmware Bug]: VPD access disabled

in the dmesg log because there's no clue about what the firmware bug is.
Expand the message to explain why we're disabling VPD.

Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
 drivers/pci/quirks.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index c232729..7329796 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -2156,7 +2156,7 @@ static void quirk_blacklist_vpd(struct pci_dev *dev)
 {
 	if (dev->vpd) {
 		dev->vpd->len = 0;
-		dev_warn(&dev->dev, FW_BUG "VPD access disabled\n");
+		dev_warn(&dev->dev, FW_BUG "disabling VPD access (can't determine size of non-standard VPD format)\n");
 	}
 }