tree 35fb51826df4e99d781041326e3ce5888afaa76b
parent 7138143972b7c293267c783fc99a194f0ceff7f2
author Dan Carpenter <dan.carpenter@oracle.com> 1368989540 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1369074947 -0700

USB: cxacru: potential underflow in cxacru_cm_get_array()

The value of "offd" comes off the instance->rcv_buf[] and we used it as
the offset into an array.  The problem is that we check the upper bound
but not for negative values.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>