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    Subject[PATCH 5/16] evdev: return -EINVAL if read buffer is too small
    Date

    ===================================================================


    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(+)


    ===================================================================



    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;

    -
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