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 <bskeggs@redhat.com>

parent 6b07c6cf

drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);