From: Haowen Bai <baihaowen@meizu.com>
To: <vkoul@kernel.org>
Cc: <dmaengine@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Haowen Bai <baihaowen@meizu.com>
Subject: [PATCH] dmaengine: pl08x: remove unneeded variable: "retval". Return "NULL"
Date: Thu, 17 Mar 2022 18:22:42 +0800 [thread overview]
Message-ID: <1647512562-18246-1-git-send-email-baihaowen@meizu.com> (raw)
Unneeded variable: "retval". Return "NULL" , so we have to make code clear.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
drivers/dma/amba-pl08x.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c
index a24882b..c70552a 100644
--- a/drivers/dma/amba-pl08x.c
+++ b/drivers/dma/amba-pl08x.c
@@ -1538,9 +1538,7 @@ static void pl08x_free_chan_resources(struct dma_chan *chan)
static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt(
struct dma_chan *chan, unsigned long flags)
{
- struct dma_async_tx_descriptor *retval = NULL;
-
- return retval;
+ return NULL;
}
/*
--
2.7.4
next reply other threads:[~2022-03-17 10:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-17 10:22 Haowen Bai [this message]
2022-04-11 14:04 ` [PATCH] dmaengine: pl08x: remove unneeded variable: "retval". Return "NULL" Vinod Koul
2022-04-12 1:14 ` [PATCH V2] dmaengine: pl08x: drop the useless function "NULL" Haowen Bai
2022-04-12 1:16 ` [PATCH V3] dmaengine: pl08x: drop the useless function Haowen Bai
2022-04-20 11:49 ` Vinod Koul
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