qcacmn: Handle reinjected pkts in REO null q execption

Prevent setting of nbuf length when it's non linear
i.e. contains an extension list. This happens when a reinjected
defragmented packet encounters a NULL q exception.

Change-Id: I937b1bf9e1461edd89dec62a9c9e17b8c3b9315f
CRs-Fixed: 2256075
1 file changed