Merge branch 'stable-3.2' into pandora-3.2

[pandora-kernel.git] / drivers / gpu / drm / drm_drv.c

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 40c187c..acfe567 100644 (file)
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -408,9 +408,16 @@ long drm_ioctl(struct file *filp,
                        asize = drv_size;
        }
        else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE)) {
+               u32 drv_size;
+
                ioctl = &drm_ioctls[nr];
-               cmd = ioctl->cmd;
+
+               drv_size = _IOC_SIZE(ioctl->cmd);
                usize = asize = _IOC_SIZE(cmd);
+               if (drv_size > asize)
+                       asize = drv_size;
+
+               cmd = ioctl->cmd;
        } else
                goto err_i1;