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media: flexcop-usb: clean up URB initialisation

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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>
This commit is contained in:
Johan Hovold 2022-08-22 17:14:55 +02:00 committed by Greg Kroah-Hartman
parent 3de50478b5
commit fd449bb9ac
1 changed files with 6 additions and 4 deletions
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10
drivers/media/usb/b2c2/flexcop-usb.c
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@ -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);