[1/4] tm6000: bugfix incorrect size
Commit Message
From: Stefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: Stefan Ringel <stefan.ringel@arcor.de>
---
drivers/staging/tm6000/tm6000-video.c | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
@@ -205,7 +205,11 @@ static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
c = (header >> 24) & 0xff;
/* split the header fields */
- size = (((header & 0x7e) << 1) -1) *4;
+ size = ((header & 0x7e) << 1);
+
+ if (size > 0)
+ size -= 4;
+
block = (header >> 7) & 0xf;
field = (header >> 11) & 0x1;
line = (header >> 12) & 0x1ff;