diff --git a/[refs] b/[refs]
index 86ae66afb23a..0e137f4c3348 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 017ed8012e74ca15748863f45d2c078453026a0a
+refs/heads/master: dd2351da7c438eb3d5f64a161cf3483648725dcd
diff --git a/trunk/drivers/gpu/drm/drm_drv.c b/trunk/drivers/gpu/drm/drm_drv.c
index 93a112d45c1a..7a87e0878f30 100644
--- a/trunk/drivers/gpu/drm/drm_drv.c
+++ b/trunk/drivers/gpu/drm/drm_drv.c
@@ -438,6 +438,8 @@ long drm_ioctl(struct file *filp,
 					goto err_i1;
 				}
 			}
+			if (asize > usize)
+				memset(kdata + usize, 0, asize - usize);
 		}
 
 		if (cmd & IOC_IN) {