linux-kernel - [PATCH] video: fbdev: nvidia: nv_setup.c: Cleaning up variable that is never used

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Date:	Sun,  6 Jul 2014 20:47:38 +0200
From:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
To:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>
Cc:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>,
	Jingoo Han <jg1.han@...sung.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Rob Clark <robdclark@...il.com>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: nvidia: nv_setup.c:  Cleaning up variable that is never used

Variable ar assigned a value that is never used.
I have also removed all the code that thereby serves no purpose.

This was found using a static code analysis program called cppcheck

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
---
 drivers/video/fbdev/nvidia/nv_setup.c |    8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/nvidia/nv_setup.c b/drivers/video/fbdev/nvidia/nv_setup.c
index 2f2e162..37cdde6 100644
--- a/drivers/video/fbdev/nvidia/nv_setup.c
+++ b/drivers/video/fbdev/nvidia/nv_setup.c
@@ -89,9 +89,7 @@ u8 NVReadSeq(struct nvidia_par *par, u8 index)
 }
 void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
 {
-	volatile u8 tmp;
-
-	tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+	VGA_RD08(par->PCIO, par->IOBase + 0x0a);
 	if (par->paletteEnabled)
 		index &= ~0x20;
 	else
@@ -101,9 +99,7 @@ void NVWriteAttr(struct nvidia_par *par, u8 index, u8 value)
 }
 u8 NVReadAttr(struct nvidia_par *par, u8 index)
 {
-	volatile u8 tmp;
-
-	tmp = VGA_RD08(par->PCIO, par->IOBase + 0x0a);
+	VGA_RD08(par->PCIO, par->IOBase + 0x0a);
 	if (par->paletteEnabled)
 		index &= ~0x20;
 	else
-- 
1.7.10.4

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