diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_getparam.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_getparam.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_getparam.c b/drivers/gpu/drm/i915/i915_getparam.c index 24e18219eb50..e289397d9178 100644 --- a/drivers/gpu/drm/i915/i915_getparam.c +++ b/drivers/gpu/drm/i915/i915_getparam.c @@ -15,7 +15,7 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data, struct pci_dev *pdev = to_pci_dev(dev->dev); const struct sseu_dev_info *sseu = &i915->gt.info.sseu; drm_i915_getparam_t *param = data; - int value; + int value = 0; switch (param->param) { case I915_PARAM_IRQ_ACTIVE: @@ -150,7 +150,9 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data, return -ENODEV; break; case I915_PARAM_SUBSLICE_MASK: - value = sseu->subslice_mask[0]; + /* Only copy bits from the first slice */ + memcpy(&value, sseu->subslice_mask, + min(sseu->ss_stride, (u8)sizeof(value))); if (!value) return -ENODEV; break; |