diff options
| author |   Oliver Neukum <oneukum@suse.com> | 2020-09-24 13:37:40 +0200 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-09-27 11:24:50 +0200 |
| commit | d725d20e81c2adc2d3c956ad8aa420b7705532a8 (patch) | |
| tree | eb1cbceef8ad0b974696cec5ee131b680e6dc4f6 /drivers/media | |
| parent | media: netup_unidvb: drop initialization of PM pointers (diff) | |
| download | linux-dev-d725d20e81c2adc2d3c956ad8aa420b7705532a8.tar.xz linux-dev-d725d20e81c2adc2d3c956ad8aa420b7705532a8.zip | |
media: flexcop-usb: sanity checking of endpoint type
Make sure the endpoint is ISOC in and do not hard code USB_DIR_IN.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/b2c2/flexcop-usb.c | 2 | ||||
| -rw-r--r-- | drivers/media/usb/b2c2/flexcop-usb.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index e3234d169065..e4da32771379 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -513,6 +513,8 @@ static int flexcop_usb_init(struct flexcop_usb *fc_usb) if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1) return -ENODEV; + if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[1].desc)) + return -ENODEV; switch (fc_usb->udev->speed) { case USB_SPEED_LOW: diff --git a/drivers/media/usb/b2c2/flexcop-usb.h b/drivers/media/usb/b2c2/flexcop-usb.h index e86faa0e06ca..2f230bf72252 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.h +++ b/drivers/media/usb/b2c2/flexcop-usb.h @@ -15,7 +15,7 @@ #define B2C2_USB_CTRL_PIPE_IN usb_rcvctrlpipe(fc_usb->udev, 0) #define B2C2_USB_CTRL_PIPE_OUT usb_sndctrlpipe(fc_usb->udev, 0) -#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 0x81) +#define B2C2_USB_DATA_PIPE usb_rcvisocpipe(fc_usb->udev, 1) struct flexcop_usb { struct usb_device *udev; |