Messages in this thread Patch in this message | | | From | Baokun Li <> | Subject | [PATCH -next v2] dmaengine: fsl-dpaa2-qdma: Use list_move_tail instead of list_del/list_add_tail | Date | Wed, 9 Jun 2021 15:28:02 +0800 |
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Using list_move_tail() instead of list_del() + list_add_tail().
Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Baokun Li <libaokun1@huawei.com> --- V1->V2: CC mailist
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c index 4ae057922ef1..a0358f2c5cbb 100644 --- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c +++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c @@ -291,9 +291,8 @@ static void dpaa2_qdma_issue_pending(struct dma_chan *chan) err = dpaa2_io_service_enqueue_fq(NULL, dpaa2_chan->fqid, fd); if (err) { - list_del(&dpaa2_comp->list); - list_add_tail(&dpaa2_comp->list, - &dpaa2_chan->comp_free); + list_move_tail(&dpaa2_comp->list, + &dpaa2_chan->comp_free); } } err_enqueue: @@ -626,8 +625,7 @@ static void dpaa2_qdma_free_desc(struct virt_dma_desc *vdesc) dpaa2_comp = to_fsl_qdma_comp(vdesc); qchan = dpaa2_comp->qchan; spin_lock_irqsave(&qchan->queue_lock, flags); - list_del(&dpaa2_comp->list); - list_add_tail(&dpaa2_comp->list, &qchan->comp_free); + list_move_tail(&dpaa2_comp->list, &qchan->comp_free); spin_unlock_irqrestore(&qchan->queue_lock, flags); }
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