[merged mm-nonmm-stable] lib-genalloc-fix-device-leak-in-of_gen_pool_get.patch removed from -mm tree

[merged mm-nonmm-stable] lib-genalloc-fix-device-leak-in-of_gen_pool_get.patch removed from -mm tree

[Andrew Morton]

The quilt patch titled
     Subject: lib/genalloc: fix device leak in of_gen_pool_get()
has been removed from the -mm tree.  Its filename was
     lib-genalloc-fix-device-leak-in-of_gen_pool_get.patch

This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Johan Hovold <johan@kernel.org>
Subject: lib/genalloc: fix device leak in of_gen_pool_get()
Date: Wed, 24 Sep 2025 10:02:07 +0200

Make sure to drop the reference taken when looking up the genpool platform
device in of_gen_pool_get() before returning the pool.

Note that holding a reference to a device does typically not prevent its
devres managed resources from being released so there is no point in
keeping the reference.

Link: https://lkml.kernel.org/r/20250924080207.18006-1-johan@kernel.org
Fixes: 9375db07adea ("genalloc: add devres support, allow to find a managed pool by device")
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Vladimir Zapolskiy <vz@mleia.com>
Cc: <stable@vger.kernel.org>	[3.10+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 lib/genalloc.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/lib/genalloc.c~lib-genalloc-fix-device-leak-in-of_gen_pool_get
+++ a/lib/genalloc.c
@@ -899,8 +899,11 @@ struct gen_pool *of_gen_pool_get(struct
 		if (!name)
 			name = of_node_full_name(np_pool);
 	}
-	if (pdev)
+	if (pdev) {
 		pool = gen_pool_get(&pdev->dev, name);
+		put_device(&pdev->dev);
+	}
+
 	of_node_put(np_pool);
 
 	return pool;
_

Patches currently in -mm which might be from johan@kernel.org are