* [patch] drm/nouveau: off by one in init_i2c_device_find()
@ 2010-05-25 9:52 Dan Carpenter
2010-06-03 1:22 ` Ben Skeggs
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2010-05-25 9:52 UTC (permalink / raw)
To: David Airlie; +Cc: kernel-janitors, Ben Skeggs, dri-devel
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;
}
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [patch] drm/nouveau: off by one in init_i2c_device_find()
2010-05-25 9:52 [patch] drm/nouveau: off by one in init_i2c_device_find() Dan Carpenter
@ 2010-06-03 1:22 ` Ben Skeggs
0 siblings, 0 replies; 2+ messages in thread
From: Ben Skeggs @ 2010-06-03 1:22 UTC (permalink / raw)
To: Dan Carpenter; +Cc: kernel-janitors, dri-devel
On Tue, 2010-05-25 at 11:52 +0200, Dan Carpenter wrote:
> dcb->i2c[] has DCB_MAX_NUM_I2C_ENTRIES entries.
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
Thanks, picked this up in the nouveau tree.
>
> 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;
> }
^ permalink raw reply [flat|nested] 2+ messages in thread
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2010-05-25 9:52 [patch] drm/nouveau: off by one in init_i2c_device_find() Dan Carpenter
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