diff options
Diffstat (limited to 'drivers/staging/media/omap4iss/iss.c')
| -rw-r--r-- | drivers/staging/media/omap4iss/iss.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c index dae9073e7d3c..68588e9dab0b 100644 --- a/drivers/staging/media/omap4iss/iss.c +++ b/drivers/staging/media/omap4iss/iss.c @@ -456,6 +456,8 @@ static int iss_pipeline_enable(struct iss_pipeline *pipe, pipe->do_propagation = false; + mutex_lock(&iss->media_dev.graph_mutex); + entity = &pipe->output->video.entity; while (1) { pad = &entity->pads[0]; @@ -472,6 +474,7 @@ static int iss_pipeline_enable(struct iss_pipeline *pipe, ret = v4l2_subdev_call(subdev, video, s_stream, mode); if (ret < 0 && ret != -ENOIOCTLCMD) { iss_pipeline_disable(pipe, entity); + mutex_unlock(&iss->media_dev.graph_mutex); return ret; } @@ -480,7 +483,9 @@ static int iss_pipeline_enable(struct iss_pipeline *pipe, pipe->do_propagation = true; } + mutex_unlock(&iss->media_dev.graph_mutex); iss_print_status(pipe->output->iss); + return 0; } @@ -960,7 +965,7 @@ iss_register_subdev_group(struct iss_device *iss, } subdev = v4l2_i2c_new_subdev_board(&iss->v4l2_dev, adapter, - board_info->board_info, NULL); + board_info->board_info, NULL); if (!subdev) { dev_err(iss->dev, "Unable to register subdev %s\n", board_info->board_info->type); @@ -1236,8 +1241,10 @@ static int iss_probe(struct platform_device *pdev) if (ret < 0) goto error; - if (!omap4iss_get(iss)) + if (!omap4iss_get(iss)) { + ret = -EINVAL; goto error; + } ret = iss_reset(iss); if (ret < 0) |