diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index ed5274a..448fde9 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -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;