media: flexcop-usb: fix sanity check of bNumEndpoints
Commit d725d20e81c2 ("media: flexcop-usb: sanity checking of endpoint type
") adds a sanity check for endpoint[1], but fails to modify the sanity
check of bNumEndpoints.
Fix this by modifying the sanity check of bNumEndpoints to 2.
Link: https://lore.kernel.org/linux-media/20220602055027.849014-1-dzm91@hust.edu.cn
Fixes: d725d20e81c2 ("media: flexcop-usb: sanity checking of endpoint type")
Signed-off-by: Dongliang Mu <mudongliangabcd@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index 8f45e91..43dd3c9 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -515,7 +515,7 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb)
alt = fc_usb->uintf->cur_altsetting;
- if (alt->desc.bNumEndpoints < 1)
+ if (alt->desc.bNumEndpoints < 2)
return -ENODEV;
if (!usb_endpoint_is_isoc_in(&alt->endpoint[0].desc))
return -ENODEV;