From: Marcin Slusarz <marcin.slusarz@gmail.com>
Date: Wed, 17 Feb 2010 18:04:01 +0000 (+0100)
Subject: drm/nouveau: fix nouveau_i2c_find bounds checking
X-Git-Tag: upstream/snapshot3+hdmi~14679^2~84^2~30
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b762b8ce53da7c7a7a4d660878887681c86be61b;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

drm/nouveau: fix nouveau_i2c_find bounds checking

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index 70e994d..f0162c4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -256,7 +256,7 @@ nouveau_i2c_find(struct drm_device *dev, int index)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nvbios *bios = &dev_priv->VBIOS;
 
-	if (index > DCB_MAX_NUM_I2C_ENTRIES)
+	if (index >= DCB_MAX_NUM_I2C_ENTRIES)
 		return NULL;
 
 	if (!bios->bdcb.dcb.i2c[index].chan) {