linux-kernel - [PATCH v1 3/3] mmc: core: increase shutdown priority for MMC devices

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: <20231124145338.3112416-4-o.rempel@pengutronix.de>
Date:   Fri, 24 Nov 2023 15:53:38 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Brown <broonie@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-pm@...r.kernel.org,
        Søren Andersen <san@...v.dk>
Subject: [PATCH v1 3/3] mmc: core: increase shutdown priority for MMC devices

Set a higher shutdown priority for MMC devices. By introducing a call to
This adjustment ensures that MMC storage devices are prioritized during the
system shutdown process, aligning with the critical nature of storage
devices in maintaining data integrity and preventing potential data loss
or corruption during emergency shutdown scenarios.

Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
---
 drivers/mmc/core/bus.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
index 0af96548e7da..90a40fe8d16f 100644
--- a/drivers/mmc/core/bus.c
+++ b/drivers/mmc/core/bus.c
@@ -128,6 +128,8 @@ static int mmc_bus_probe(struct device *dev)
 	struct mmc_driver *drv = to_mmc_driver(dev->driver);
 	struct mmc_card *card = mmc_dev_to_card(dev);
 
+	dev_set_shutdown_priority(dev, DEVICE_SHUTDOWN_PRIO_STORAGE);
+
 	return drv->probe(card);
 }
 
-- 
2.39.2