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vbe: Fix incorrect register usage. 

Found by: Coverity scan.
This commit is contained in:
Vladimir Serbinenko 2015-01-26 09:53:39 +01:00
parent 8102540939
commit c4fcfd8744
1 changed files with 1 additions and 2 deletions
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3
grub-core/video/i386/pc/vbe.c
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@ -304,8 +304,7 @@ grub_vbe_bios_getset_dac_palette_width (int set, int *dac_mask_size)
struct grub_bios_int_registers regs;
regs.eax = 0x4f08;
regs.ebx = (*dac_mask_size & 0xff) >> 8;
regs.ebx = set ? 1 : 0;
regs.ebx = ((*dac_mask_size & 0xff) << 8) | (set ? 1 : 0);
regs.flags = GRUB_CPU_INT_FLAGS_DEFAULT;
grub_bios_interrupt (0x10, &regs);
*dac_mask_size = (regs.ebx >> 8) & 0xff;