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Commit c392e9e1 authored by Sascha Hauer's avatar Sascha Hauer Committed by Mauro Carvalho Chehab
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[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: default avatarSascha Hauer <s.hauer@pengutronix.de>
Acked-by: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Acked-by: default avatarPawel Osciak <pawel@osciak.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 961ae449

drivers/media/v4l2-core/v4l2-mem2mem.c

+3 −3
Original line number Diff line number Diff line
@@ -105,7 +105,7 @@ void *v4l2_m2m_next_buf(struct v4l2_m2m_queue_ctx *q_ctx) 
		return NULL;

	}



	b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, list);

	b = list_first_entry(&q_ctx->rdy_queue, struct v4l2_m2m_buffer, list);

	spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);

	return &b->vb;

}
@@ -125,7 +125,7 @@ void *v4l2_m2m_buf_remove(struct v4l2_m2m_queue_ctx *q_ctx) 
		spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);

		return NULL;

	}

	b = list_entry(q_ctx->rdy_queue.next, struct v4l2_m2m_buffer, list);

	b = list_first_entry(&q_ctx->rdy_queue, struct v4l2_m2m_buffer, list);

	list_del(&b->list);

	q_ctx->num_rdy--;

	spin_unlock_irqrestore(&q_ctx->rdy_spinlock, flags);
@@ -178,7 +178,7 @@ static void v4l2_m2m_try_run(struct v4l2_m2m_dev *m2m_dev) 
		return;

	}



	m2m_dev->curr_ctx = list_entry(m2m_dev->job_queue.next,

	m2m_dev->curr_ctx = list_first_entry(&m2m_dev->job_queue,

				   struct v4l2_m2m_ctx, queue);

	m2m_dev->curr_ctx->job_flags |= TRANS_RUNNING;

	spin_unlock_irqrestore(&m2m_dev->job_spinlock, flags);