linux-kernel - [PATCH] DMA: PL330: Remove unreachable code

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Date:   Tue, 13 Oct 2020 17:17:13 +0530
From:   Surendran K <surendran.k@...sung.com>
To:     dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     vkoul@...nel.org, shaik.ameer@...sung.com, alim.akhtar@...sung.com,
        pankaj.dubey@...sung.com, Surendran K <surendran.k@...sung.com>
Subject: [PATCH] DMA: PL330: Remove unreachable code

_setup_req(..) never returns negative value.
Hence the condition ret < 0 is never met

Signed-off-by: Surendran K <surendran.k@...sung.com>
---
 drivers/dma/pl330.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index e9f0101d92fa..8355586c9788 100644
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1527,8 +1527,6 @@ static int pl330_submit_req(struct pl330_thread *thrd,
 
 	/* First dry run to check if req is acceptable */
 	ret = _setup_req(pl330, 1, thrd, idx, &xs);
-	if (ret < 0)
-		goto xfer_exit;
 
 	if (ret > pl330->mcbufsz / 2) {
 		dev_info(pl330->ddma.dev, "%s:%d Try increasing mcbufsz (%i/%i)\n",
-- 
2.17.1