staging: unisys: Guard against task leakage
staging: unisys: Guard against task leakage

Its possible to overwrite the old task pointer in visornic_resume.  Add a
check to guard against that and a warning if we find that its already
running

Signed-off-by: Neil Horman <3316dc2d77df57653443c0391a5296176d6ca9c3@redhat.com>
Signed-off-by: Benjamin Romer <aa4f04c7a9e9354d8d7625bad3543e518d310003@unisys.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs