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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date:	Sun,  6 Jul 2014 21:02:22 +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>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Jingoo Han <jg1.han@...sung.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Joe Perches <joe@...ches.com>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] video: fbdev: valkyriefb.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/valkyriefb.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/fbdev/valkyriefb.c b/drivers/video/fbdev/valkyriefb.c
index 97cb9bd..af708fe 100644
--- a/drivers/video/fbdev/valkyriefb.c
+++ b/drivers/video/fbdev/valkyriefb.c
@@ -416,18 +416,18 @@ static int read_valkyrie_sense(struct fb_info_valkyrie *p)
 
 	out_8(&p->valkyrie_regs->msense.r, 0);   /* release all lines */
 	__delay(20000);
-	sense = ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x70) << 4;
+	sense = ((in_8(&p->valkyrie_regs->msense.r)) & 0x70) << 4;
 	/* drive each sense line low in turn and collect the other 2 */
 	out_8(&p->valkyrie_regs->msense.r, 4);   /* drive A low */
 	__delay(20000);
-	sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x30);
+	sense |= ((in_8(&p->valkyrie_regs->msense.r)) & 0x30);
 	out_8(&p->valkyrie_regs->msense.r, 2);   /* drive B low */
 	__delay(20000);
 	sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x40) >> 3;
 	sense |= (in & 0x10) >> 2;
 	out_8(&p->valkyrie_regs->msense.r, 1);   /* drive C low */
 	__delay(20000);
-	sense |= ((in = in_8(&p->valkyrie_regs->msense.r)) & 0x60) >> 5;
+	sense |= ((in_8(&p->valkyrie_regs->msense.r)) & 0x60) >> 5;
 
 	out_8(&p->valkyrie_regs->msense.r, 7);
 
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/