From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Vojtech Pavlik <vojtech@suse.cz>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 5/7] evdev_read: report -EINVAL when buffer is to small
Date: Fri, 12 Nov 2004 01:32:43 -0500 [thread overview]
Message-ID: <200411120132.44833.dtor_core@ameritech.net> (raw)
In-Reply-To: <200411120131.54268.dtor_core@ameritech.net>
===================================================================
ChangeSet@1.1989, 2004-11-12 00:36:10-05:00, dtor_core@ameritech.net
Input: evdev - return -EINVAL from evdev_read if read buffer
is too small.
Based on the patch by James Lamanna.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
evdev.c | 3 +++
1 files changed, 3 insertions(+)
===================================================================
diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c
--- a/drivers/input/evdev.c 2004-11-12 01:01:02 -05:00
+++ b/drivers/input/evdev.c 2004-11-12 01:01:02 -05:00
@@ -169,6 +169,9 @@
struct evdev_list *list = file->private_data;
int retval;
+ if (count < sizeof(struct input_event))
+ return -EINVAL;
+
if (list->head == list->tail && list->evdev->exist && (file->f_flags & O_NONBLOCK))
return -EAGAIN;
next prev parent reply other threads:[~2004-11-12 6:41 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-12 6:27 [PATCH 0/7] New set of input patches Dmitry Torokhov
2004-11-12 6:29 ` [PATCH 1/7] i8042 panicblink code rearrange Dmitry Torokhov
2004-11-12 6:29 ` [PATCH 2/7] Add serio start() and stop() methods Dmitry Torokhov
2004-11-12 6:30 ` [PATCH 3/7] i8042 - use " Dmitry Torokhov
2004-11-12 6:31 ` [PATCH 4/7] suppress duplicate serio events Dmitry Torokhov
2004-11-12 6:32 ` Dmitry Torokhov [this message]
2004-11-12 6:33 ` [PATCH 6/7] Correctly set mouse name when using PS2++ protocol Dmitry Torokhov
2004-11-12 6:34 ` [PATCH 7/7] Limit Synaptics rate on Toshibas Dmitry Torokhov
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