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authorFrank Schaefer <fschaefer.oss@googlemail.com>2012-11-25 09:37:36 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-12-22 21:17:18 (GMT)
commit79ff8697e98295606a55f7426930affe1322f9eb (patch)
tree13d2db1b040352f60fb4b3e3129a48e0e83a3609
parent0455eebfbd6c286552f9d98bdc6614dfbdd63682 (diff)
downloadlinux-fsl-qoriq-79ff8697e98295606a55f7426930affe1322f9eb.tar.xz
[media] em28xx: em28xx_urb_data_copy_vbi(): calculate vbi_size only if needed
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/usb/em28xx/em28xx-video.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index d4f2300..c397aa2 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -525,7 +525,7 @@ static inline int em28xx_urb_data_copy_vbi(struct em28xx *dev, struct urb *urb)
struct em28xx_buffer *buf, *vbi_buf;
struct em28xx_dmaqueue *dma_q = &dev->vidq;
struct em28xx_dmaqueue *vbi_dma_q = &dev->vbiq;
- int xfer_bulk, vbi_size, num_packets, i, rc = 1;
+ int xfer_bulk, num_packets, i, rc = 1;
unsigned int actual_length, len = 0;
unsigned char *p, *outp = NULL, *vbioutp = NULL;
@@ -612,9 +612,8 @@ static inline int em28xx_urb_data_copy_vbi(struct em28xx *dev, struct urb *urb)
/* NOTE: with bulk transfers, intermediate data packets
* have no continuation header */
- vbi_size = dev->vbi_width * dev->vbi_height;
-
if (dev->capture_type == 0) {
+ int vbi_size = dev->vbi_width * dev->vbi_height;
if (dev->vbi_read >= vbi_size) {
/* We've already read all the VBI data, so
treat the rest as video */