Following bugs fixed as part of this patch:
.Kernel panic while collecting kdump (reported by Doug A.)
.NULL pointer dereference at sertain places
.Removed dead codes
Submitted by: Sumit Saxena <sumit.saxena@broadcom.com>
Reviewed by: Kashyap Desai <Kashyap.Desai@broadcom.com>
MFC after: 3 days
Sponsored by: AVAGO Technologies