linux-kernel - [PATCH] sound/soc/samsung: remove unneeded ret variable

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Date:   Mon, 17 Jan 2022 11:03:57 +0000
From:   cgel.zte@...il.com
To:     krzysztof.kozlowski@...onical.com
Cc:     s.nawrocki@...sung.com, lgirdwood@...il.com, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>, CGEL ZTE <cgel.zte@...il.com>
Subject: [PATCH] sound/soc/samsung: remove unneeded ret variable

From: Minghao Chi <chi.minghao@....com.cn>

Return value from io_remap_pfn_range() directly instead
of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@...il.com>
---
 sound/soc/samsung/idma.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/sound/soc/samsung/idma.c b/sound/soc/samsung/idma.c
index c3f1b054e238..402ccadad46c 100644
--- a/sound/soc/samsung/idma.c
+++ b/sound/soc/samsung/idma.c
@@ -244,17 +244,14 @@ static int idma_mmap(struct snd_soc_component *component,
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	unsigned long size, offset;
-	int ret;
 
 	/* From snd_pcm_lib_mmap_iomem */
 	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
 	size = vma->vm_end - vma->vm_start;
 	offset = vma->vm_pgoff << PAGE_SHIFT;
-	ret = io_remap_pfn_range(vma, vma->vm_start,
+	return io_remap_pfn_range(vma, vma->vm_start,
 			(runtime->dma_addr + offset) >> PAGE_SHIFT,
 			size, vma->vm_page_prot);
-
-	return ret;
 }
 
 static irqreturn_t iis_irq(int irqno, void *dev_id)
-- 
2.25.1