[PATCH 3.2 77/79] [media] cx231xx: Fix the max number of interfaces

Ben Hutchings
2018-02-11T04:33:41Z

From: Mauro Carvalho Chehab <m.chehab@samsung.com>

commit 139d28826b8e2bc7a9232fde0d2f14812914f501 upstream.

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

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/media/video/cx231xx/cx231xx-cards.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/media/video/cx231xx/cx231xx-cards.c
+++ b/drivers/media/video/cx231xx/cx231xx-cards.c
@@ -1070,8 +1070,7 @@ 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 */