linux-kernel - [PATCH linux-next] arm: dma fix returnvar.cocci warnings

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Date:   Thu, 19 Aug 2021 19:15:18 -0700
From:   jing yangyang <cgel.zte@...il.com>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Russell King <linux@...linux.org.uk>, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        jing yangyang <jing.yangyang@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] arm: dma fix returnvar.cocci warnings

Remove unneeded variables when "0" can be returned.

Generated by: scripts/coccinelle/misc/returnvar.cocci

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: jing yangyang <jing.yangyang@....com.cn>
---
 arch/arm/mach-omap2/dma.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/arm/mach-omap2/dma.c b/arch/arm/mach-omap2/dma.c
index dfc9b21..ba4a48e 100644
--- a/arch/arm/mach-omap2/dma.c
+++ b/arch/arm/mach-omap2/dma.c
@@ -79,7 +79,6 @@
 
 static unsigned configure_dma_errata(void)
 {
-	unsigned errata = 0;
 
 	/*
 	 * Errata applicable for OMAP2430ES1.0 and all omap2420
@@ -158,7 +157,7 @@ static unsigned configure_dma_errata(void)
 	if (cpu_is_omap34xx() && (omap_type() != OMAP2_DEVICE_TYPE_GP))
 		SET_DMA_ERRATA(DMA_ROMCODE_BUG);
 
-	return errata;
+	return 0;
 }
 
 static const struct dma_slave_map omap24xx_sdma_dt_map[] = {
-- 
1.8.3.1