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| author | H. Peter Anvin <hpa@zytor.com> | 2006-09-30 10:56:44 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2006-09-30 10:56:44 -0700 |
| commit | 0bcf7dfe521e0d175d916446210ba6786b8bc537 (patch) | |
| tree | ae7d6fa45a077eb237e22d902c7393389c51ed70 | |
| parent | e573c2a208e9194cfce053adc093ddc452e0c7d7 (diff) | |
| download | syslinux-0bcf7dfe521e0d175d916446210ba6786b8bc537.tar.gz | |
vesainit: clear the VESA buffers before call (paranoia)
| -rw-r--r-- | com32/lib/sys/vesa/initvesa.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/com32/lib/sys/vesa/initvesa.c b/com32/lib/sys/vesa/initvesa.c index bcdcc09d..febb5804 100644 --- a/com32/lib/sys/vesa/initvesa.c +++ b/com32/lib/sys/vesa/initvesa.c @@ -105,6 +105,7 @@ static int vesacon_set_mode(void) debug("Hello, World!\r\n"); memset(&rm, 0, sizeof rm); + memset(gi, 0, sizeof *gi); gi->signature = VBE2_MAGIC; /* Get VBE2 extended data */ rm.eax.w[0] = 0x4F00; /* Get SVGA general information */ @@ -135,6 +136,7 @@ static int vesacon_set_mode(void) while ((mode = *mode_ptr++) != 0xFFFF) { debug("Found mode: 0x%04x\r\n", mode); + memset(mi, 0, sizeof *mi); rm.eax.w[0] = 0x4F01; /* Get SVGA mode information */ rm.ecx.w[0] = mode; rm.edi.w[0] = OFFS(mi); |