lkml.org 
[lkml]   [2009]   [Apr]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[patch 36/58] USB: fix oops in cdc-wdm in case of malformed descriptors
    2.6.27-stable review patch.  If anyone has any objections, please let us know.

    ------------------

    From: Oliver Neukum <oliver@neukum.org>

    upstream commit: e13c594f3a1fc2c78e7a20d1a07974f71e4b448f

    cdc-wdm needs to ignore extremely malformed descriptors.

    Signed-off-by: Oliver Neukum <oliver@neukum.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
    Signed-off-by: Chris Wright <chrisw@sous-sol.org>
    ---
    drivers/usb/class/cdc-wdm.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/drivers/usb/class/cdc-wdm.c
    +++ b/drivers/usb/class/cdc-wdm.c
    @@ -641,7 +641,7 @@ next_desc:

    iface = &intf->altsetting[0];
    ep = &iface->endpoint[0].desc;
    - if (!usb_endpoint_is_int_in(ep)) {
    + if (!ep || !usb_endpoint_is_int_in(ep)) {
    rv = -EINVAL;
    goto err;
    }



    \
     
     \ /
      Last update: 2009-04-30 00:37    [W:0.022 / U:30.560 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site