[media] media v4l2-mem2mem: Use list_first_entry
Use list_first_entry instead of list_entry which makes the intention of the code more clear. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -105,7 +105,7 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx)
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return NULL;
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}
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b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, list);
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b = list_first_entry(&q_ctx->rdy_queue, struct v4l2_m2m_buffer, list);
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spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);
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return &b->vb;
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}
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@ -125,7 +125,7 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx)
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spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);
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return NULL;
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}
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b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, list);
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b = list_first_entry(&q_ctx->rdy_queue, struct v4l2_m2m_buffer, list);
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list_del(&b->list);
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q_ctx->num_rdy--;
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spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);
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@ -178,7 +178,7 @@ static void v4l2_m2m_try_run(struct v4l2_m2m_dev *m2m_dev)
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return;
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}
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m2m_dev->curr_ctx = list_entry(m2m_dev->job_queue.next,
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m2m_dev->curr_ctx = list_first_entry(&m2m_dev->job_queue,
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struct v4l2_m2m_ctx, queue);
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m2m_dev->curr_ctx->job_flags |= TRANS_RUNNING;
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spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags);
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