hi,

coverity found (bug id #225) that we might call free_netdev()
with NULL argument, when alloc_trdev() fails. This patch
changes the goto, so we dont call free_netdev() for
dev == NULL.
Signed-off-by: NEric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: NJeff Garzik <jeff@garzik.org>