[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>
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 97b4831..3ac8358 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -105,7 +105,7 @@
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 @@
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 @@
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);