[PATCH 3.16 127/136] [media] cx231xx: Fix the max number of interfaces

3.16.54-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Mauro Carvalho Chehab <redacted>

commit 139d28826b8e2bc7a9232fde0d2f14812914f501 upstream.

The max number of interfaces was read from the wrong descriptor.

Signed-off-by: Mauro Carvalho Chehab <redacted>
Signed-off-by: Ben Hutchings <redacted>
---
 drivers/media/usb/cx231xx/cx231xx-cards.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/media/usb/cx231xx/cx231xx-cards.c
+++ b/drivers/media/usb/cx231xx/cx231xx-cards.c

@@ -1185,8 +1185,7 @@ static int cx231xx_usb_probe(struct usb_
 	dev->vbi_or_sliced_cc_mode = 0;
 
 	/* get maximum no.of IAD interfaces */
-	assoc_desc = udev->actconfig->intf_assoc[0];
-	dev->max_iad_interface_count = assoc_desc->bInterfaceCount;
+	dev->max_iad_interface_count = udev->config->desc.bNumInterfaces;
 
 	/* init CIR module TBD */