V4L/DVB (8883): w9968cf: Fix order of usb_alloc_urb validation

Fixed order of usb_alloc_urb pointer validation.

Cc: Luca Risolia <luca.risolia@studio.unibo.it>
Signed-off-by: Douglas Schilling Landgraf <dougsland@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/w9968cf.c b/drivers/media/video/w9968cf.c
index 168baabe46591b02b9276e11987aaee44679ac63..11edf79f57be328a0f6a196f7d849776c3235a39 100644 (file)
--- a/drivers/media/video/w9968cf.c
+++ b/drivers/media/video/w9968cf.c
@@ -911,7 +911,6 @@ static int w9968cf_start_transfer(struct w9968cf_device* cam)
 
        for (i = 0; i < W9968CF_URBS; i++) {
                urb = usb_alloc_urb(W9968CF_ISO_PACKETS, GFP_KERNEL);
-               cam->urb[i] = urb;
                if (!urb) {
                        for (j = 0; j < i; j++)
                                usb_free_urb(cam->urb[j]);
@@ -919,6 +918,7 @@ static int w9968cf_start_transfer(struct w9968cf_device* cam)
                        return -ENOMEM;
                }
 
+               cam->urb[i] = urb;
                urb->dev = udev;
                urb->context = (void*)cam;
                urb->pipe = usb_rcvisocpipe(udev, 1);