From: Suresh Siddha <suresh.b.siddha@intel.com>
Date: Tue, 7 Oct 2008 21:04:27 +0000 (-0700)
Subject: x86: xsave: fix error condition in save_i387_xstate()
X-Git-Tag: v2.6.28-rc1~699^2^8~3
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=f364eadab59b316ea0bd9f9bc01af0ad89065569;p=karo-tx-linux.git

x86: xsave: fix error condition in save_i387_xstate()

Actually return failure on error.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
---

diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
index ed5274a5bb0f..448fde96963c 100644
--- a/arch/x86/kernel/xsave.c
+++ b/arch/x86/kernel/xsave.c
@@ -121,6 +121,8 @@ int save_i387_xstate(void __user *buf)
 		err |= __put_user(FP_XSTATE_MAGIC2,
 				  (__u32 __user *) (buf + sig_xstate_size
 						    - FP_XSTATE_MAGIC2_SIZE));
+		if (err)
+			return err;
 	}
 
 	return 1;