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Date: Wed, 16 Dec 2020 21:06:49 +0800 From: Zheng Yongjun <zhengyongjun3@...wei.com> To: <agross@...nel.org>, <bjorn.andersson@...aro.org>, <dan.j.williams@...el.com>, <vkoul@...nel.org>, <linux-arm-msm@...r.kernel.org>, <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org> CC: Zheng Yongjun <zhengyongjun3@...wei.com> Subject: [PATCH -next] qcom: bam_dma: Delete useless kfree code The parameter of kfree function is NULL, so kfree code is useless, delete it. Therefore, goto expression is no longer needed, so simplify it. Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com> --- drivers/dma/qcom/bam_dma.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c index 4eeb8bb27279..78df217b3f6c 100644 --- a/drivers/dma/qcom/bam_dma.c +++ b/drivers/dma/qcom/bam_dma.c @@ -630,7 +630,7 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan, GFP_NOWAIT); if (!async_desc) - goto err_out; + return NULL; if (flags & DMA_PREP_FENCE) async_desc->flags |= DESC_FLAG_NWD; @@ -670,10 +670,6 @@ static struct dma_async_tx_descriptor *bam_prep_slave_sg(struct dma_chan *chan, } return vchan_tx_prep(&bchan->vc, &async_desc->vd, flags); - -err_out: - kfree(async_desc); - return NULL; } /** -- 2.22.0
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