From: Saravana Kannan saravanak@google.com
stable inclusion from stable-v6.6.3 commit e4eccf228ac2c050d17af9a7bc6457a4d4e9116b category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I8LBQP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit 2e84dc37920012b458e9458b19fc4ed33f81bc74 upstream.
This commit fixes a bug in commit 9ed9895370ae ("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: 9ed9895370ae ("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 Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com --- drivers/base/dd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index a528cec24264..0c3725c3eefa 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -1274,8 +1274,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) if (dev->bus && dev->bus->dma_cleanup) dev->bus->dma_cleanup(dev);
- device_links_driver_cleanup(dev); device_unbind_cleanup(dev); + device_links_driver_cleanup(dev);
klist_remove(&dev->p->knode_driver); device_pm_check_callbacks(dev);