From 595d373f1e9c9ce0fc946457fdb488e8a58972cd Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Mon, 8 Sep 2014 10:33:32 +1000 Subject: [PATCH] drm/nouveau/bios: memset dcb struct to zero before parsing Fixes type/mask calculation being based on uninitialised data for VGA outputs. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c index 88606bfaf847..bd8d348385b3 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c +++ b/drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c @@ -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); -- 2.34.1