block: fix use after free in __blkdev_direct_IO

We can't dereference the dio structure after submitting the last bio for
this request, as I/O completion might have happened before the code is
run. Introduce a local is_sync variable instead.

Fixes: 542ff7bf ("block: new direct I/O implementation")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Matias Bjørling <m@bjorling.me>
Tested-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>

path: root/net/netrom/Makefile

#
# Makefile for the Linux NET/ROM layer.
#

obj-$(CONFIG_NETROM) += netrom.o

netrom-y		:= af_netrom.o nr_dev.o nr_in.o nr_loopback.o \
			   nr_out.o nr_route.o nr_subr.o nr_timer.o
netrom-$(CONFIG_SYSCTL)	+= sysctl_net_netrom.o