Commit d8ab3557 authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Dave Airlie

drm/radeon/kms: add missing copy from user

This hasn't mattered up until the ioctl started using the value, and it fell
apart.

fixes fd.o 29340, Ubuntu LP 606081

[airlied: cleaned up whitespace and don't need an error before pushing]
Signed-off-by: default avatarDr. David Alan Gilbert <linux@treblig.org>
Cc: stable@kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 96576a9e
...@@ -112,7 +112,9 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) ...@@ -112,7 +112,9 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
info = data; info = data;
value_ptr = (uint32_t *)((unsigned long)info->value); value_ptr = (uint32_t *)((unsigned long)info->value);
value = *value_ptr; if (DRM_COPY_FROM_USER(&value, value_ptr, sizeof(value)))
return -EFAULT;
switch (info->request) { switch (info->request) {
case RADEON_INFO_DEVICE_ID: case RADEON_INFO_DEVICE_ID:
value = dev->pci_device; value = dev->pci_device;
......
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