linux-kernel - [PATCH] Gpu: drm: fix buffer overflow in nouveau

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Date:	Sat, 20 Feb 2010 18:49:43 +0000
From:	chris.nicholson@...ck.org.uk
To:	airlied@...ux.ie, bskeggs@...hat.com, madman2003@...il.com,
	koriakin@...4.net, currojerez@...eup.net, tacconet@...ero.it
Cc:	dri-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [PATCH] Gpu: drm: fix buffer overflow in nouveau_bios.c

From: Chris Nicholson <chris@...t.cnick.org.uk>

This is a patch to the nouveau_bios.c file that fixes up a
buffer overflow

Signed-off-by: Chris Nicholson <chris.nicholson@...ck.org.uk>
---
 drivers/gpu/drm/nouveau/nouveau_bios.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 0e9cd1d..c1cee91 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -762,7 +762,7 @@ static uint32_t get_tmds_index_reg(struct drm_device *dev, uint8_t mlv)
 			dacoffset ^= 8;
 		return 0x6808b0 + dacoffset;
 	} else {
-		if (mlv > ARRAY_SIZE(pramdac_table)) {
+		if (mlv >= ARRAY_SIZE(pramdac_table)) {
 			NV_ERROR(dev, "Magic Lookup Value too big (%02X)\n",
 									mlv);
 			return 0;
-- 
1.6.6

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