Commit d8ab3557 authored Aug 02, 2010 by Dr. David Alan Gilbert Committed by Dave Airlie Aug 10, 2010

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: Dr. David Alan Gilbert <linux@treblig.org>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

parent 96576a9e

drivers/gpu/drm/radeon/radeon_kms.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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;