From: Greg Kroah-Hartman gregkh@linuxfoundation.org
[ 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@linuxfoundation.org Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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)