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path: root/drivers/gpu/drm/radeon/radeon_kms.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_kms.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_kms.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index ddcd3b13f15..948a2f454e4 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -112,7 +112,9 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
info = data;
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) {
case RADEON_INFO_DEVICE_ID:
value = dev->pci_device;