diff options
| -rw-r--r-- | drivers/staging/most/hdm-usb/hdm_usb.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c index 6e94ee2b4fb3..ad907e9c59bb 100644 --- a/drivers/staging/most/hdm-usb/hdm_usb.c +++ b/drivers/staging/most/hdm-usb/hdm_usb.c @@ -281,7 +281,6 @@ static int hdm_add_padding(struct most_dev *mdev, int channel, struct mbo *mbo) struct most_channel_config *conf = &mdev->conf[channel]; unsigned int frame_size = get_stream_frame_size(conf); unsigned int j, num_frames; - u16 rd_addr, wr_addr; if (!frame_size) return -EIO; @@ -293,13 +292,10 @@ static int hdm_add_padding(struct most_dev *mdev, int channel, struct mbo *mbo) return -EIO; } - for (j = 1; j < num_frames; j++) { - wr_addr = (num_frames - j) * USB_MTU; - rd_addr = (num_frames - j) * frame_size; - memmove(mbo->virt_address + wr_addr, - mbo->virt_address + rd_addr, + for (j = num_frames - 1; j > 0; j--) + memmove(mbo->virt_address + j * USB_MTU, + mbo->virt_address + j * frame_size, frame_size); - } mbo->buffer_length = num_frames * USB_MTU; return 0; } |