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drm/radeon: check incoming cliprects pointer
[pandora-kernel.git]
/
drivers
/
gpu
/
drm
/
radeon
/
r300_cmdbuf.c
diff --git
a/drivers/gpu/drm/radeon/r300_cmdbuf.c
b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index
1fe98b4
..
9aa02be
100644
(file)
--- a/
drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/
drivers/gpu/drm/radeon/r300_cmdbuf.c
@@
-74,7
+74,7
@@
static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));
for (i = 0; i < nr; ++i) {
- if (DRM_COPY_FROM_USER
_UNCHECKED
+ if (DRM_COPY_FROM_USER
(&box, &cmdbuf->boxes[n + i], sizeof(box))) {
DRM_ERROR("copy cliprect faulted\n");
return -EFAULT;