Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
---

Index: tip/arch/x86/kernel/xsave.c
===================================================================
--- tip.orig/arch/x86/kernel/xsave.c	2008-10-02 10:30:55.000000000 -0700
+++ tip/arch/x86/kernel/xsave.c	2008-10-02 10:31:26.000000000 -0700
@@ -121,6 +121,8 @@
 		err |= __put_user(FP_XSTATE_MAGIC2,
 				  (__u32 __user *) (buf + sig_xstate_size
 						    - FP_XSTATE_MAGIC2_SIZE));
+		if (err)
+			return err;
 	}
 
 	return 1;

--