| From | Greg Kroah-Hartman <> | Subject | [PATCH 3.17 110/319] drm/nouveau/bios: memset dcb struct to zero before parsing | Date | Wed, 12 Nov 2014 10:14:08 +0900 |
| |
3.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Ben Skeggs <bskeggs@redhat.com>
commit 595d373f1e9c9ce0fc946457fdb488e8a58972cd upstream.
Fixes type/mask calculation being based on uninitialised data for VGA outputs.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/gpu/drm/nouveau/core/subdev/bios/dcb.c | 1 + 1 file changed, 1 insertion(+)
--- 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 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);
|