mm-damon-sysfs-do-not-ignore-callbacks-return-value-in-damon_sysfs_damon_call.patch removed from -mm tree

The quilt patch titled
Subject: mm/damon/sysfs: do not ignore callback's return value in damon_sysfs_damon_call()
has been removed from the -mm tree. Its filename was
mm-damon-sysfs-do-not-ignore-callbacks-return-value-in-damon_sysfs_damon_call.patch

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

------------------------------------------------------
From: Akinobu Mita <[email protected]>
Subject: mm/damon/sysfs: do not ignore callback's return value in damon_sysfs_damon_call()
Date: Sat, 20 Sep 2025 22:25:46 +0900

The callback return value is ignored in damon_sysfs_damon_call(), which means that it is not possible to detect invalid user input when writing commands such as 'commit' to /sys/kernel/mm/damon/admin/kdamonds/<K>/state. Fix it.

---

 mm/damon/sysfs.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -1592,12 +1592,14 @@ static int damon_sysfs_damon_call(int (*
 		struct damon_sysfs_kdamond *kdamond)
 {
 	struct damon_call_control call_control = {};
+	int err;
 
 	if (!kdamond->damon_ctx)
 		return -EINVAL;
 	call_control.fn = fn;
 	call_control.data = kdamond;
-	return damon_call(kdamond->damon_ctx, &call_control);
+	err = damon_call(kdamond->damon_ctx, &call_control);
+	return err ? err : call_control.return_code;
 }
 
 struct damon_sysfs_schemes_walk_data {

_

Patches currently in -mm which might be from [email protected] are