5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dongliang Mu <mudongliangabcd@xxxxxxxxx>
[ Upstream commit f62dc8f6bf82d1b307fc37d8d22cc79f67856c2f ]
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@xxxxxxxxxxx
Fixes: d725d20e81c2 ("media: flexcop-usb: sanity checking of endpoint type")
Signed-off-by: Dongliang Mu <mudongliangabcd@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/usb/b2c2/flexcop-usb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c
index 0b5c2f3a54ab4..0354614351cbf 100644
--- a/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/drivers/media/usb/b2c2/flexcop-usb.c
@@ -513,7 +513,7 @@ 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;
--
2.43.0
