The kref_put() function will call nport->release if the refcount drops
to zero. The nport->release release function is _efc_nport_free() which
frees "nport". But then we dereference "nport" on the next line which
is a use after free. Re-order these lines to avoid the use after free.
Fixes: fcd427303eb9 ("scsi: elx: libefc: SLI and FC PORT state machine interfaces")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
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