Messages in this thread Patch in this message | | | From | Dmitry Torokhov <> | Subject | [PATCH 5/16] evdev: return -EINVAL if read buffer is too small | Date | Wed, 29 Dec 2004 02:22:23 -0500 |
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ChangeSet@1.1957.1.32, 2004-11-12 01:28:33-05:00, 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(+)
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diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c --- a/drivers/input/evdev.c 2004-12-29 01:47:32 -05:00 +++ b/drivers/input/evdev.c 2004-12-29 01:47:32 -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; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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