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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: 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>
This commit is contained in:
Sascha Hauer 2012-08-31 09:18:03 -03:00 committed by Mauro Carvalho Chehab
parent 961ae44980
commit c392e9e13e
1 changed files with 3 additions and 3 deletions
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6
drivers/media/v4l2-core/v4l2-mem2mem.c
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@ -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);