From: Jesper Juhl <juhl-lkml@dif.dk>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@osdl.org>
Subject: [PATCH][4/4] let's kill verify_area - convert kernel/printk.c to access_ok()
Date: Fri, 7 Jan 2005 02:18:55 +0100 (CET) [thread overview]
Message-ID: <Pine.LNX.4.61.0501070207460.3430@dragon.hygekrogen.localhost> (raw)
Here's a patch to convert verify_area to access_ok in kernel/printk.c
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
diff -up linux-2.6.10-bk9-orig/kernel/printk.c linux-2.6.10-bk9/kernel/printk.c
--- linux-2.6.10-bk9-orig/kernel/printk.c 2004-12-24 22:35:40.000000000 +0100
+++ linux-2.6.10-bk9/kernel/printk.c 2005-01-07 02:11:16.000000000 +0100
@@ -269,8 +269,8 @@ int do_syslog(int type, char __user * bu
error = 0;
if (!len)
goto out;
- error = verify_area(VERIFY_WRITE,buf,len);
- if (error)
+ error = access_ok(VERIFY_WRITE,buf,len);
+ if (!error)
goto out;
error = wait_event_interruptible(log_wait, (log_start - log_end));
if (error)
@@ -300,8 +300,8 @@ int do_syslog(int type, char __user * bu
error = 0;
if (!len)
goto out;
- error = verify_area(VERIFY_WRITE,buf,len);
- if (error)
+ error = access_ok(VERIFY_WRITE,buf,len);
+ if (!error)
goto out;
count = len;
if (count > log_buf_len)
next reply other threads:[~2005-01-07 1:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-07 1:18 Jesper Juhl [this message]
2005-01-07 12:51 ` Vincent Hanquez
2005-01-07 15:38 Peter Kjellerstedt
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