From: Greg Kroah-Hartman gregkh@linuxfoundation.org
[ Upstream commit 36c893d3a759ae7c91ee7d4871ebfc7504f08c40 ]
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.
Cc: "Rafael J. Wysocki" rafael@kernel.org Link: https://lore.kernel.org/r/20230202141621.2296458-2-gregkh@linuxfoundation.or... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/base/dd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 9ae2b5c4fc496..c463173f1fb1a 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -372,7 +372,7 @@ late_initcall(deferred_probe_initcall);
static void __exit deferred_probe_exit(void) { - debugfs_remove_recursive(debugfs_lookup("devices_deferred", NULL)); + debugfs_lookup_and_remove("devices_deferred", NULL); } __exitcall(deferred_probe_exit);