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driver core: Release all resources during unbind before updating device links

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commit 2e84dc37920012b458e9458b19fc4ed33f81bc74 upstream.

This commit fixes a bug in commit 9ed9895370 ("driver core: Functional
dependencies tracking support") where the device link status was
incorrectly updated in the driver unbind path before all the device's
resources were released.

Fixes: 9ed9895370 ("driver core: Functional dependencies tracking support")
Cc: stable <stable@kernel.org>
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Closes: https://lore.kernel.org/all/20231014161721.f4iqyroddkcyoefo@pengutronix.de/
Signed-off-by: Saravana Kannan <saravanak@google.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Matti Vaittinen <mazziesaccount@gmail.com>
Cc: James Clark <james.clark@arm.com>
Acked-by: "Rafael J. Wysocki" <rafael@kernel.org>
Tested-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231018013851.3303928-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Saravana Kannan 2023-10-17 18:38:50 -07:00 • committed by Greg Kroah-Hartman
parent f7ab9dee22
commit afcde812dd
1 changed files with 1 additions and 1 deletions
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2
drivers/base/dd.c
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@ -1262,8 +1262,8 @@ static void __device_release_driver(struct device *dev, struct device *parent)
if (dev->bus && dev->bus->dma_cleanup) if (dev->bus && dev->bus->dma_cleanup)
dev->bus->dma_cleanup(dev); dev->bus->dma_cleanup(dev);
device_links_driver_cleanup(dev);
device_unbind_cleanup(dev); device_unbind_cleanup(dev);
device_links_driver_cleanup(dev);
klist_remove(&dev->p->knode_driver); klist_remove(&dev->p->knode_driver);
device_pm_check_callbacks(dev); device_pm_check_callbacks(dev);