From 9fd188a1ab044c7613e040e38da6a990e3a5a416 Mon Sep 17 00:00:00 2001 From: Guennadi Liakhovetski Date: Fri, 13 Mar 2009 10:08:20 +0100 Subject: video: use videobuf_waiton() in sh_mobile_ceu free_buffer() From: Magnus Damm 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 Tested-by: Kuninori Morimoto Signed-off-by: Magnus Damm Signed-off-by: Guennadi Liakhovetski --- drivers/media/video/sh_mobile_ceu_camera.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) --- linux/drivers/media/video/sh_mobile_ceu_camera.c | 1 + 1 file changed, 1 insertion(+) (limited to 'linux') diff --git a/linux/drivers/media/video/sh_mobile_ceu_camera.c b/linux/drivers/media/video/sh_mobile_ceu_camera.c index 1a4026a95..cd796b33f 100644 --- a/linux/drivers/media/video/sh_mobile_ceu_camera.c +++ b/linux/drivers/media/video/sh_mobile_ceu_camera.c @@ -175,6 +175,7 @@ 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; -- cgit v1.2.3