[PATCH -next] qcom: bam_dma: Delete useless kfree code

Zheng Yongjun
2020-12-16T13:07:25Z

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@huawei.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