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authorSaravana Kannan <saravanak@google.com>2023-10-18 04:38:50 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-11-28 20:07:13 +0300
commitafcde812ddf576e802f91ec180c3bb719a727bc3 (patch)
tree0229eb89e5f506234130ebe73fc0a27e1db09f23 /drivers/base
parentf7ab9dee220041a3c053c022b0c13b3e905de96e (diff)
downloadlinux-afcde812ddf576e802f91ec180c3bb719a727bc3.tar.xz
driver core: Release all resources during unbind before updating device links
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>
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/dd.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 380a53b6aee8..dbbe2cebb891 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -1262,8 +1262,8 @@ 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);