From b295e5c7d84721f76d1728f2ee4152a8cbb6ddaa Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Fri, 5 Jun 2015 10:47:36 -0300 Subject: [PATCH] [media] usbvision: cleanup the code There's a dead code on usbvision that makes it harder to read and produces a smatch warning about bad identation. Improve the code readability and add a FIXME to warn about the current hack there. Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/usbvision/usbvision-video.c | 17 ++++++++++++++--- 1 file changed, 14 insertions(+), 3 deletions(-) diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c index 12b403e78d52..1c6d31f7c1b9 100644 --- a/drivers/media/usb/usbvision/usbvision-video.c +++ b/drivers/media/usb/usbvision/usbvision-video.c @@ -1061,13 +1061,24 @@ static ssize_t usbvision_read(struct file *file, char __user *buf, __func__, (unsigned long)count, frame->bytes_read); - /* For now, forget the frame if it has not been read in one shot. */ -/* if (frame->bytes_read >= frame->scanlength) {*/ /* All data has been read */ +#if 1 + /* + * FIXME: + * For now, forget the frame if it has not been read in one shot. + */ + frame->bytes_read = 0; + + /* Mark it as available to be used again. */ + frame->grabstate = frame_state_unused; +#else + if (frame->bytes_read >= frame->scanlength) { + /* All data has been read */ frame->bytes_read = 0; /* Mark it as available to be used again. */ frame->grabstate = frame_state_unused; -/* } */ + } +#endif return count; } -- 2.39.5