From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> Date: Sun, 17 Sep 2017 13:23:47 +0200 The script "checkpatch.pl" pointed information out like the following. WARNING: kfree(NULL) is safe and this check is probably not required Thus fix the affected source code place. Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx> --- drivers/media/usb/cpia2/cpia2_usb.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/drivers/media/usb/cpia2/cpia2_usb.c b/drivers/media/usb/cpia2/cpia2_usb.c index 161c9b827f8e..d1750fa48aa8 100644 --- a/drivers/media/usb/cpia2/cpia2_usb.c +++ b/drivers/media/usb/cpia2/cpia2_usb.c @@ -519,15 +519,11 @@ static void free_sbufs(struct camera_data *cam) int i; for (i = 0; i < NUM_SBUF; i++) { - if(cam->sbuf[i].urb) { - usb_kill_urb(cam->sbuf[i].urb); - usb_free_urb(cam->sbuf[i].urb); - cam->sbuf[i].urb = NULL; - } - if(cam->sbuf[i].data) { - kfree(cam->sbuf[i].data); - cam->sbuf[i].data = NULL; - } + usb_kill_urb(cam->sbuf[i].urb); + usb_free_urb(cam->sbuf[i].urb); + cam->sbuf[i].urb = NULL; + kfree(cam->sbuf[i].data); + cam->sbuf[i].data = NULL; } } -- 2.14.1