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Date: Thu, 1 Nov 2001 01:29:00 +1100
From: Stephen Rothwell <sfr@canb.auug.org.au>
To: Linus Torvlads <torvalds@transmeta.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>, Thomas Hood <jdthood@mail.com>,
        linux-kernel@vger.kernel.org
Subject: [PATCH] Stop APM readers from responding to events
Message-Id: <20011101012900.1a2f3287.sfr@canb.auug.org.au>
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Hi Linus,

This is just a small patch, but fills a hole.  Thanks to Thomas Hood for a
patch.

Alan, This will also apply to 2.4.13-ac5.
-- 
Cheers,
Stephen Rothwell                    sfr@canb.auug.org.au
http://www.canb.auug.org.au/~sfr/

diff -ruN 2.4.14-pre5/arch/i386/kernel/apm.c 2.4.14-pre5-APM.1/arch/i386/kernel/apm.c
--- 2.4.14-pre5/arch/i386/kernel/apm.c	Wed Oct 24 16:12:20 2001
+++ 2.4.14-pre5-APM.1/arch/i386/kernel/apm.c	Thu Nov  1 01:09:48 2001
@@ -1471,7 +1471,7 @@
 	as = filp->private_data;
 	if (check_apm_user(as, "ioctl"))
 		return -EIO;
-	if (!as->suser)
+	if ((!as->suser) || (!as->writer))
 		return -EPERM;
 	switch (cmd) {
 	case APM_IOC_STANDBY:
-
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