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drm/vmwgfx: avoid calling vzalloc with a 0 size in vmw_get_cap_3d_ioctl()
[pandora-kernel.git]
/
drivers
/
gpu
/
drm
/
vmwgfx
/
vmwgfx_ioctl.c
diff --git
a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
index
66917c6
..
bce4047
100644
(file)
--- a/
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+++ b/
drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
@@
-90,7
+90,7
@@
int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
void *bounce;
int ret;
- if (unlikely(arg->pad64 != 0)) {
+ if (unlikely(arg->pad64 != 0
|| arg->max_size == 0
)) {
DRM_ERROR("Illegal GET_3D_CAP argument.\n");
return -EINVAL;
}