[media] stk-webcam: Delete an unnecessary check before the function call "vfree"

The vfree() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/usb/stkwebcam/stk-webcam.c b/drivers/media/usb/stkwebcam/stk-webcam.c
index e08fa587332f88028d2f762d8191c589e6403b1b..c21c4c004f9778a50809c27d0cba39ca9596d7f7 100644 (file)
--- a/drivers/media/usb/stkwebcam/stk-webcam.c
+++ b/drivers/media/usb/stkwebcam/stk-webcam.c
@@ -556,10 +556,8 @@ static int stk_free_sio_buffers(struct stk_camera *dev)
        nbufs = dev->n_sbufs;
        dev->n_sbufs = 0;
        spin_unlock_irqrestore(&dev->spinlock, flags);
-       for (i = 0; i < nbufs; i++) {
-               if (dev->sio_bufs[i].buffer != NULL)
-                       vfree(dev->sio_bufs[i].buffer);
-       }
+       for (i = 0; i < nbufs; i++)
+               vfree(dev->sio_bufs[i].buffer);
        kfree(dev->sio_bufs);
        dev->sio_bufs = NULL;
        return 0;