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

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Date:	Sun,  6 Jul 2014 20:45:34 +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>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Wei Yongjun <yongjun_wei@...ndmicro.com.cn>,
	Joe Perches <joe@...ches.com>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: neofb.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/neofb.c |    6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
index 44f99a6..b1779ae 100644
--- a/drivers/video/fbdev/neofb.c
+++ b/drivers/video/fbdev/neofb.c
@@ -701,8 +701,6 @@ neofb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 	if (memlen > vramlen) {
 		var->yres_virtual =  vramlen * 8 / (var->xres_virtual *
 				   	var->bits_per_pixel);
-		memlen = var->xres_virtual * var->bits_per_pixel *
-				var->yres_virtual / 8;
 	}
 
 	/* we must round yres/xres down, we already rounded y/xres_virtual up
@@ -1855,7 +1853,6 @@ static int neo_init_hw(struct fb_info *info)
 	struct neofb_par *par = info->par;
 	int videoRam = 896;
 	int maxClock = 65000;
-	int CursorMem = 1024;
 	int CursorOff = 0x100;
 
 	DBG("neo_init_hw");
@@ -1907,19 +1904,16 @@ static int neo_init_hw(struct fb_info *info)
 	case FB_ACCEL_NEOMAGIC_NM2070:
 	case FB_ACCEL_NEOMAGIC_NM2090:
 	case FB_ACCEL_NEOMAGIC_NM2093:
-		CursorMem = 2048;
 		CursorOff = 0x100;
 		break;
 	case FB_ACCEL_NEOMAGIC_NM2097:
 	case FB_ACCEL_NEOMAGIC_NM2160:
-		CursorMem = 1024;
 		CursorOff = 0x100;
 		break;
 	case FB_ACCEL_NEOMAGIC_NM2200:
 	case FB_ACCEL_NEOMAGIC_NM2230:
 	case FB_ACCEL_NEOMAGIC_NM2360:
 	case FB_ACCEL_NEOMAGIC_NM2380:
-		CursorMem = 1024;
 		CursorOff = 0x1000;
 
 		par->neo2200 = (Neo2200 __iomem *) par->mmio_vbase;
-- 
1.7.10.4

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