lkml.org 
[lkml]   [2015]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[patch] ARM: fix module-bound check in setting page attributes
Date
It was introduced in commit f2ca09f381a59
(ARM: 8311/1: Don't use is_module_addr in setting page attributes)

We have no need to check start twice, but see if end is also in range.

Signed-off-by: Hillf Danton <hillf.zj@alibaba-inc.com>
---

--- a/arch/arm/mm/pageattr.c Wed Mar 25 11:55:13 2015
+++ b/arch/arm/mm/pageattr.c Wed Mar 25 11:57:31 2015
@@ -52,7 +52,7 @@ static int change_memory_common(unsigned
if (start < MODULES_VADDR || start >= MODULES_END)
return -EINVAL;

- if (end < MODULES_VADDR || start >= MODULES_END)
+ if (end < MODULES_VADDR || end >= MODULES_END)
return -EINVAL;

data.set_mask = set_mask;
--



\
 
 \ /
  Last update: 2015-03-25 05:41    [W:0.133 / U:0.420 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site