From: Glauber de Oliveira Costa <gcosta@redhat.com>
Date: Tue, 20 Feb 2007 21:58:12 +0000 (-0800)
Subject: [PATCH] Missing __user in pointer referenced within copy_from_user
X-Git-Tag: v2.6.21-rc1~15
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63967fa911c2c49376d0b1e171ef98e1b2b075af;p=linux-2.6

[PATCH] Missing __user in pointer referenced within copy_from_user

Pointers to user data should be marked with a __user hint.  This one is
missing.

Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 4f5745af8c..01f7769da8 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -581,7 +581,7 @@ out_no_task:
 
 #ifndef mem_write
 /* This is a security hazard */
-static ssize_t mem_write(struct file * file, const char * buf,
+static ssize_t mem_write(struct file * file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	int copied;