From: Luc Saillard <luc@saillard.org>
Date: Mon, 23 Apr 2007 02:55:10 +0000 (-0300)
Subject: V4L/DVB (5548): Fix v4l2 buffer to the length
X-Git-Tag: v2.6.22-rc1~1118^2~13
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=288bb0e79015d4121d4ccf77a4db2bde27a49492;p=linux-2.6

V4L/DVB (5548): Fix v4l2 buffer to the length

Set the length of the v4l2 buffer to the length of the mapped memory.

This should fix the problem with amsn.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c
index e20251d05b..32fbe1ae62 100644
--- a/drivers/media/video/pwc/pwc-v4l.c
+++ b/drivers/media/video/pwc/pwc-v4l.c
@@ -1168,7 +1168,7 @@ int pwc_video_do_ioctl(struct inode *inode, struct file *file,
 			buf->sequence = 0;
 			buf->memory = V4L2_MEMORY_MMAP;
 			buf->m.offset = pdev->fill_image * pdev->len_per_image;
-			buf->length = buf->bytesused;
+			buf->length = pdev->len_per_image;
 			pwc_next_image(pdev);
 
 			PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->index=%d\n",buf->index);