From: Dan Carpenter dan.carpenter@oracle.com
commit f6bcb4c7f366905b66ce8ffca7190118244bb642 upstream.
This code will leak "map->debugfs_name" because the if statement is reversed so it only frees NULL pointers instead of non-NULL. In fact the if statement is not required and should just be removed because kfree() accepts NULL pointers.
Fixes: cffa4b2122f5 ("regmap: debugfs: Fix a memory leak when calling regmap_attach_dev") Signed-off-by: Dan Carpenter dan.carpenter@oracle.com Link: https://lore.kernel.org/r/X/RQpfAwRdLg0GqQ@mwanda Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/base/regmap/regmap-debugfs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -591,9 +591,7 @@ void regmap_debugfs_init(struct regmap * }
if (!strcmp(name, "dummy")) { - if (!map->debugfs_name) - kfree(map->debugfs_name); - + kfree(map->debugfs_name); map->debugfs_name = kasprintf(GFP_KERNEL, "dummy%d", dummy_index); if (!map->debugfs_name)