[patch] drm/nouveau: off by one in init_i2c_device_find()

Dan Carpenter
2010-05-25T09:52:27Z

dcb->i2c[] has DCB_MAX_NUM_I2C_ENTRIES entries.

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index e7e69cc..bf92a1e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -814,7 +814,7 @@ init_i2c_device_find(struct drm_device *dev, int i2c_index)
if (i2c_index = 0x81)
i2c_index = (dcb->i2c_default_indices & 0xf0) >> 4;

- if (i2c_index > DCB_MAX_NUM_I2C_ENTRIES) {
+ if (i2c_index >= DCB_MAX_NUM_I2C_ENTRIES) {
NV_ERROR(dev, "invalid i2c_index 0x%x\n", i2c_index);
return NULL;
}