Author: Markus Elfring <elfring@users.sourceforge.net> The input_free_device() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Signed-off-by: Jiri Kosina — drivers/hid/wacom_sys.c | 9 +++—— 1 file changed, 3 insertions(+), 6 deletions(-) diff …