From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 5 Dec 2023 02:50:05 +0000 (+0900)
Subject: 5.4-stable patches
X-Git-Tag: v4.14.332~15
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=12bd34acc170f4e3ca81c46e1cb00c4877486d9f;p=thirdparty%2Fkernel%2Fstable-queue.git

5.4-stable patches

added patches:
	driver-core-release-all-resources-during-unbind-before-updating-device-links.patch
---

diff --git a/queue-5.4/driver-core-release-all-resources-during-unbind-before-updating-device-links.patch b/queue-5.4/driver-core-release-all-resources-during-unbind-before-updating-device-links.patch
new file mode 100644
index 00000000000..b54c0d77bf6
--- /dev/null
+++ b/queue-5.4/driver-core-release-all-resources-during-unbind-before-updating-device-links.patch
@@ -0,0 +1,58 @@
+From 947c9e12ddd6866603fd60000c0cca8981687dd3 Mon Sep 17 00:00:00 2001
+From: Saravana Kannan <saravanak@google.com>
+Date: Tue, 17 Oct 2023 18:38:50 -0700
+Subject: driver core: Release all resources during unbind before updating device links
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+From: Saravana Kannan <saravanak@google.com>
+
+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: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/base/dd.c |    4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+--- a/drivers/base/dd.c
++++ b/drivers/base/dd.c
+@@ -1162,8 +1162,6 @@ static void __device_release_driver(stru
+ 		else if (drv->remove)
+ 			drv->remove(dev);
+ 
+-		device_links_driver_cleanup(dev);
+-
+ 		devres_release_all(dev);
+ 		arch_teardown_dma_ops(dev);
+ 		dev->driver = NULL;
+@@ -1173,6 +1171,8 @@ static void __device_release_driver(stru
+ 		pm_runtime_reinit(dev);
+ 		dev_pm_set_driver_flags(dev, 0);
+ 
++		device_links_driver_cleanup(dev);
++
+ 		klist_remove(&dev->p->knode_driver);
+ 		device_pm_check_callbacks(dev);
+ 		if (dev->bus)
diff --git a/queue-5.4/series b/queue-5.4/series
index 5a8feb8092e..8e0a4142c30 100644
--- a/queue-5.4/series
+++ b/queue-5.4/series
@@ -1,3 +1,4 @@
+driver-core-release-all-resources-during-unbind-before-updating-device-links.patch
 rdma-irdma-prevent-zero-length-stag-registration.patch
 pci-keystone-drop-__init-from-ks_pcie_add_pcie_-ep-port.patch
 afs-make-error-on-cell-lookup-failure-consistent-wit.patch