linux-kernel - [char-misc] mei: txe: fix initialization order

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>] [day] [month] [year] [list]

Message-ID: <20251019073659.2646791-1-alexander.usyskin@intel.com>
Date: Sun, 19 Oct 2025 10:36:59 +0300
From: Alexander Usyskin <alexander.usyskin@...el.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Reuven Abliyev <reuven.abliyev@...el.com>,
	Alexander Usyskin <alexander.usyskin@...el.com>,
	linux-kernel@...r.kernel.org
Subject: [char-misc] mei: txe: fix initialization order

The mei_register() should move before the mei_start() for hook
on class device to work.
Same change was implemented in mei-me, missed from mei-txe.

Fixes: 7704e6be4ed2 ("mei: hook mei_device on class device")
Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com>
---
 drivers/misc/mei/pci-txe.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index c9eb5c5393e4..06b55a891c6b 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -109,19 +109,19 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto end;
 	}
 
+	err = mei_register(dev, &pdev->dev);
+	if (err)
+		goto release_irq;
+
 	if (mei_start(dev)) {
 		dev_err(&pdev->dev, "init hw failure.\n");
 		err = -ENODEV;
-		goto release_irq;
+		goto deregister;
 	}
 
 	pm_runtime_set_autosuspend_delay(&pdev->dev, MEI_TXI_RPM_TIMEOUT);
 	pm_runtime_use_autosuspend(&pdev->dev);
 
-	err = mei_register(dev, &pdev->dev);
-	if (err)
-		goto stop;
-
 	pci_set_drvdata(pdev, dev);
 
 	/*
@@ -144,8 +144,8 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	return 0;
 
-stop:
-	mei_stop(dev);
+deregister:
+	mei_deregister(dev);
 release_irq:
 	mei_cancel_work(dev);
 	mei_disable_interrupts(dev);
-- 
2.43.0