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| author | Kieran Bingham <kieran+renesas@bingham.xyz> | 2016-09-02 13:48:27 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-09-19 20:46:48 +0300 |
| commit | 7a9e7bd32ba43a050e868ba44c4a0665079a8264 (patch) | |
| tree | fd0198ca605981b174e181f0ec86d848c32dc1d2 /drivers/media | |
| parent | 34e77ed84b274d20415067306b855bd87f761f5e (diff) | |
| download | linux-7a9e7bd32ba43a050e868ba44c4a0665079a8264.tar.xz | |
[media] v4l: vsp1: Ensure pipeline locking in resume path
The vsp1_pipeline_ready() and vsp1_pipeline_run() functions must be
called with the pipeline lock held, fix the resume code path.
Signed-off-by: Kieran Bingham <kieran+renesas@bingham.xyz>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/platform/vsp1/vsp1_pipe.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/platform/vsp1/vsp1_pipe.c b/drivers/media/platform/vsp1/vsp1_pipe.c index 3e75fb3fcace..474de82165d8 100644 --- a/drivers/media/platform/vsp1/vsp1_pipe.c +++ b/drivers/media/platform/vsp1/vsp1_pipe.c @@ -365,6 +365,7 @@ void vsp1_pipelines_suspend(struct vsp1_device *vsp1) void vsp1_pipelines_resume(struct vsp1_device *vsp1) { + unsigned long flags; unsigned int i; /* Resume all running pipelines. */ @@ -379,7 +380,9 @@ void vsp1_pipelines_resume(struct vsp1_device *vsp1) if (pipe == NULL) continue; + spin_lock_irqsave(&pipe->irqlock, flags); if (vsp1_pipeline_ready(pipe)) vsp1_pipeline_run(pipe); + spin_unlock_irqrestore(&pipe->irqlock, flags); } } |