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drm/nouveau/bios: memset dcb struct to zero before parsing

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Fixes type/mask calculation being based on uninitialised data for VGA
outputs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2014-09-08 10:33:32 +10:00
parent 6b07c6cfd1
commit 595d373f1e
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c
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@ -124,6 +124,7 @@ dcb_outp_parse(struct nouveau_bios *bios, u8 idx, u8 *ver, u8 *len,
struct dcb_output *outp)
{
u16 dcb = dcb_outp(bios, idx, ver, len);
memset(outp, 0x00, sizeof(*outp));
if (dcb) {
if (*ver >= 0x20) {
u32 conn = nv_ro32(bios, dcb + 0x00);