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| author | Magnus Damm <damm@igel.co.jp> | 2009-03-13 06:08:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 12:43:21 -0300 |
| commit | 97215cbd1bc3cc32a2a1b3a94b003c3cbcf95683 (patch) | |
| tree | e83cfc0900ea5e1e6d2e88643ac8f754dc2638f8 | |
| parent | f340e3f6f1c2061a65fd1cbd70e9e57e27d34212 (diff) | |
| download | linux-3.10-97215cbd1bc3cc32a2a1b3a94b003c3cbcf95683.tar.gz linux-3.10-97215cbd1bc3cc32a2a1b3a94b003c3cbcf95683.tar.bz2 linux-3.10-97215cbd1bc3cc32a2a1b3a94b003c3cbcf95683.zip | |
V4L/DVB (11029): video: use videobuf_waiton() in sh_mobile_ceu free_buffer()
Make sure videobuf_waiton() is used before freeing a buffer.
Without this fix we may return the buffer to the allocator
before the bus mastering operation is finished.
Reported-by: Matthieu CASTET <matthieu.castet@parrot.com>
Tested-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index 55a5eae77ba..b5e37a530c6 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -174,6 +174,7 @@ static void free_buffer(struct videobuf_queue *vq, if (in_interrupt()) BUG(); + videobuf_waiton(&buf->vb, 0, 0); videobuf_dma_contig_free(vq, &buf->vb); dev_dbg(&icd->dev, "%s freed\n", __func__); buf->vb.state = VIDEOBUF_NEEDS_INIT; |