mirror of https://gitee.com/openkylin/linux.git
[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>
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drivers/media/platform/vsp1
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@ -365,6 +365,7 @@ void vsp1_pipelines_suspend(struct vsp1_device *vsp1)
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void vsp1_pipelines_resume(struct vsp1_device *vsp1)
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{
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unsigned long flags;
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unsigned int i;
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/* Resume all running pipelines. */
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@ -379,7 +380,9 @@ void vsp1_pipelines_resume(struct vsp1_device *vsp1)
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if (pipe == NULL)
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continue;
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spin_lock_irqsave(&pipe->irqlock, flags);
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if (vsp1_pipeline_ready(pipe))
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vsp1_pipeline_run(pipe);
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spin_unlock_irqrestore(&pipe->irqlock, flags);
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}
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}
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