diff options
| author |   Johan Hovold <johan@kernel.org> | 2022-08-22 17:14:55 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-26 10:59:25 +0200 |
| commit | fd449bb9ac44fdc334907db7bcc20ade9a4037cd (patch) | |
| tree | 2c92998018f3129d76f7ae7ae0fac8b2ef7205ce /drivers/media | |
| parent | media: flexcop-usb: clean up endpoint sanity checks (diff) | |
| download | wireguard-linux-fd449bb9ac44fdc334907db7bcc20ade9a4037cd.tar.xz wireguard-linux-fd449bb9ac44fdc334907db7bcc20ade9a4037cd.zip | |
media: flexcop-usb: clean up URB initialisation
Clean up URB initialisation somewhat by introducing a temporary variable
and separating declaration and non-trivial initialisation.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20220822151456.27178-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/usb/b2c2/flexcop-usb.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/usb/b2c2/flexcop-usb.c b/drivers/media/usb/b2c2/flexcop-usb.c index 31dd37d8236c..7102b346db05 100644 --- a/drivers/media/usb/b2c2/flexcop-usb.c +++ b/drivers/media/usb/b2c2/flexcop-usb.c @@ -425,12 +425,14 @@ static void flexcop_usb_transfer_exit(struct flexcop_usb *fc_usb) static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb) { - u16 frame_size = le16_to_cpu( - fc_usb->uintf->cur_altsetting->endpoint[0].desc.wMaxPacketSize); - int bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * - frame_size, i, j, ret; + struct usb_host_interface *alt = fc_usb->uintf->cur_altsetting; + u16 frame_size; + int bufsize, i, j, ret; int buffer_offset = 0; + frame_size = le16_to_cpu(alt->endpoint[0].desc.wMaxPacketSize); + bufsize = B2C2_USB_NUM_ISO_URB * B2C2_USB_FRAMES_PER_ISO * frame_size; + deb_ts("creating %d iso-urbs with %d frames each of %d bytes size = %d.\n", B2C2_USB_NUM_ISO_URB, B2C2_USB_FRAMES_PER_ISO, frame_size, bufsize); |