From: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
[ Upstream commit a0e8c13ccd6a9a636d27353da62c2410c4eca337 ]
When calling debugfs_lookup() the result must have dput() called on it,
otherwise the memory will leak over time. To make things simpler, just
call debugfs_lookup_and_remove() instead which handles all of the logic
at once.
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
kernel/power/energy_model.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c
index 119b929dcff0f..334173fe6940e 100644
--- a/kernel/power/energy_model.c
+++ b/kernel/power/energy_model.c
@@ -72,10 +72,7 @@ static void em_debug_create_pd(struct device *dev)
static void em_debug_remove_pd(struct device *dev)
{
- struct dentry *debug_dir;
-
- debug_dir = debugfs_lookup(dev_name(dev), rootdir);
- debugfs_remove_recursive(debug_dir);
+ debugfs_lookup_and_remove(dev_name(dev), rootdir);
}
static int __init em_debug_init(void)
--
2.39.2
