| From | Luis Henriques <> | Subject | [PATCH 3.16.y-ckt 056/254] drm/nouveau/bios: memset dcb struct to zero before parsing | Date | Tue, 25 Nov 2014 10:36:46 +0000 |
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3.16.7-ckt2 -stable review patch. If anyone has any objections, please let me know.
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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> Cc: Sven Joachim <svenjoac@gmx.de> Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- 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); -- 2.1.0
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