1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c
index 721d5a52948c..7828030c4f33 100644
--- a/drivers/staging/tm6000/tm6000-video.c
+++ b/drivers/staging/tm6000/tm6000-video.c
@@ -225,8 +225,8 @@ static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
                          * It should, instead, check if the user selected
                          * entrelaced or non-entrelaced mode
                          */
-                        pos= ((line<<1)+field)*linewidth +
-                                block*TM6000_URB_MSG_LEN;
+                        pos = ((line << 1) - field - 1) * linewidth +
+                                block * TM6000_URB_MSG_LEN;
 
                         /* Don't allow to write out of the buffer */
                         if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) {