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@linux.intel.com>
LKML-Reference: <20100610111040.F1781B1A2B@basil.firstfloor.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/boot/video-vga.c b/arch/x86/boot/video-vga.c
index ed7aeff..45bc940 100644 (file)
--- 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;