linux-kernel - [tip:x86/urgent] x86, setup: Set ax register in boot vga query

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Message-ID: <tip-cf3bdc29fcbf2cb4cfa238591021d41ea8f8431f@git.kernel.org>
Date:	Thu, 10 Jun 2010 23:42:44 GMT
From:	tip-bot for Andi Kleen <andi@...stfloor.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	andi@...stfloor.org, ak@...ux.intel.com, tglx@...utronix.de
Subject: [tip:x86/urgent] x86, setup: Set ax register in boot vga query

Commit-ID:  cf3bdc29fcbf2cb4cfa238591021d41ea8f8431f
Gitweb:     http://git.kernel.org/tip/cf3bdc29fcbf2cb4cfa238591021d41ea8f8431f
Author:     Andi Kleen <andi@...stfloor.org>
AuthorDate: Thu, 10 Jun 2010 13:10:40 +0200
Committer:  H. Peter Anvin <hpa@...ux.intel.com>
CommitDate: Thu, 10 Jun 2010 15:24:29 -0700

x86, setup: Set ax register in boot vga query

Catch missing conversion to the register structure "glove box" scheme.

Found by gcc 4.6's new warnings.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
LKML-Reference: <20100610111040.F1781B1A2B@...il.firstfloor.org>
Signed-off-by: H. Peter Anvin <hpa@...or.com>
---
 arch/x86/boot/video-vga.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index ed7aeff..45bc940 100644
--- a/arch/x86/boot/video-vga.c
+++ b/arch/x86/boot/video-vga.c
@@ -41,13 +41,12 @@ static __videocard video_vga;
 static u8 vga_set_basic_mode(void)
 {
 	struct biosregs ireg, oreg;
-	u16 ax;
 	u8 mode;
 
 	initregs(&ireg);
 
 	/* Query current mode */
-	ax = 0x0f00;
+	ireg.ax = 0x0f00;
 	intcall(0x10, &ireg, &oreg);
 	mode = oreg.al;
 
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