Bryn M. Reeves 98dbc9c6c6 dm: fix rq_end_stats() NULL pointer in dm_requeue_original_request() ... An "old" (.request_fn) DM 'struct request' stores a pointer to the associated 'struct dm_rq_target_io' in rq->special. dm_requeue_original_request(), previously named dm_requeue_unmapped_original_request(), called dm_unprep_request() to reset rq->special to NULL. But rq_end_stats() would go on to hit a NULL pointer deference because its call to tio_from_request() returned NULL. Fix this by calling rq_end_stats() _before_ dm_unprep_request() Signed-off-by: Bryn M. Reeves <bmr@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Fixes: e262f34741 ("dm stats: add support for request-based DM devices") Cc: stable@vger.kernel.org # 4.2+		2016-03-14 17:04:34 -04:00
..
bcache	Merge branch 'for-4.5/drivers' of git://git.kernel.dk/linux-block	2016-01-21 18:19:38 -08:00
persistent-data	dm space map metadata: remove unused variable in brb_pop()	2015-12-14 09:26:01 -05:00
Kconfig	dm: add missing newline between DM_DEBUG_BLOCK_STACK_TRACING and DM_BUFIO	2016-03-10 17:12:11 -05:00
Makefile	dm cache: make the 'mq' policy an alias for 'smq'	2016-03-10 17:12:08 -05:00
bitmap.c	md-cluster: delete useless code	2016-01-24 18:13:37 -08:00
bitmap.h	md-cluster: Use a small window for resync	2015-10-12 01:32:05 -05:00
dm-bio-prison.c	block: add a bi_error field to struct bio	2015-07-29 08:55:15 -06:00
dm-bio-prison.h	dm bio prison: add dm_cell_promote_or_release()	2015-05-29 14:19:06 -04:00
dm-bio-record.h	dm: Refactor for new bio cloning/splitting	2013-11-23 22:33:55 -08:00
dm-bufio.c	Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2016-01-12 17:11:47 -08:00
dm-bufio.h	dm snapshot: use dm-bufio prefetch	2014-01-14 23:23:03 -05:00
dm-builtin.c	dm sysfs: fix a module unload race	2014-01-14 23:23:04 -05:00
dm-cache-block-types.h	dm cache: revert "remove remainder of distinct discard block size"	2014-11-10 15:25:30 -05:00
dm-cache-metadata.c	dm cache: make sure every metadata function checks fail_io	2016-03-10 17:12:12 -05:00
dm-cache-metadata.h	dm cache: make sure every metadata function checks fail_io	2016-03-10 17:12:12 -05:00
dm-cache-policy-cleaner.c	- Revert a dm-multipath change that caused a regression for unprivledged	2015-11-04 21:19:53 -08:00
dm-cache-policy-internal.h	dm cache: age and write back cache entries even without active IO	2015-06-11 17:13:01 -04:00
dm-cache-policy-smq.c	dm cache policy smq: clarify that mq registration failure was for 'mq'	2016-03-10 17:12:11 -05:00
dm-cache-policy.c	dm cache: add policy name to status output	2014-01-16 13:44:11 -05:00
dm-cache-policy.h	dm cache: age and write back cache entries even without active IO	2015-06-11 17:13:01 -04:00
dm-cache-target.c	dm cache: bump the target version	2016-03-10 17:12:12 -05:00
dm-crypt.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-delay.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-era-target.c	dm persistent data: eliminate unnecessary return values	2015-10-31 19:06:02 -04:00
dm-exception-store.c	- Revert a dm-multipath change that caused a regression for unprivledged	2015-11-04 21:19:53 -08:00
dm-exception-store.h	dm snapshot: fix hung bios when copy error occurs	2016-01-08 20:03:05 -05:00
dm-flakey.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-io.c	md: more open-coded offset_in_page()	2016-01-04 10:29:12 -05:00
dm-ioctl.c	dm: allow immutable request-based targets to use blk-mq pdu	2016-02-22 22:34:37 -05:00
dm-kcopyd.c	mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd	2015-11-06 17:50:42 -08:00
dm-linear.c	dm linear: remove redundant target name from error messages	2015-10-31 19:06:03 -04:00
dm-log-userspace-base.c	dm: drop NULL test before kmem_cache_destroy() and mempool_destroy()	2015-10-31 19:06:00 -04:00
dm-log-userspace-transfer.c	dm log userspace transfer: match wait_for_completion_timeout return type	2015-04-15 12:10:20 -04:00
dm-log-userspace-transfer.h	…
dm-log-writes.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-log.c	dm: use memweight()	2012-07-30 17:25:16 -07:00
dm-mpath.c	dm mpath: cleanup reinstate_path() et al based on code review	2016-03-10 17:12:04 -05:00
dm-mpath.h	…
dm-path-selector.c	…
dm-path-selector.h	dm path selector: remove 'repeat_count' return from .select_path hook	2016-02-22 22:34:42 -05:00
dm-queue-length.c	dm path selector: remove 'repeat_count' return from .select_path hook	2016-02-22 22:34:42 -05:00
dm-raid.c	dm raid: fix round up of default region size	2015-10-02 12:02:31 -04:00
dm-raid1.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-region-hash.c	dm: convert ffs to __ffs	2015-10-31 19:06:01 -04:00
dm-round-robin.c	dm round robin: use percpu 'repeat_count' and 'current_path'	2016-02-22 22:34:42 -05:00
dm-service-time.c	dm path selector: remove 'repeat_count' return from .select_path hook	2016-02-22 22:34:42 -05:00
dm-snap-persistent.c	dm snapshot: fix hung bios when copy error occurs	2016-01-08 20:03:05 -05:00
dm-snap-transient.c	dm snapshot: fix hung bios when copy error occurs	2016-01-08 20:03:05 -05:00
dm-snap.c	dm snapshot: disallow the COW and origin devices from being identical	2016-03-10 17:12:09 -05:00
dm-stats.c	dm stats: report precise_timestamps and histogram in @stats_list output	2015-08-18 17:20:03 -04:00
dm-stats.h	dm stats: support precise timestamps	2015-06-17 12:40:40 -04:00
dm-stripe.c	Merge tag 'dm-4.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm	2015-09-02 16:35:26 -07:00
dm-switch.c	dm switch: simplify conditional in alloc_region_table()	2015-10-31 19:06:06 -04:00
dm-sysfs.c	dm: add 'use_blk_mq' module param and expose in per-device ro sysfs attr	2015-04-15 12:10:17 -04:00
dm-table.c	dm snapshot: disallow the COW and origin devices from being identical	2016-03-10 17:12:09 -05:00
dm-target.c	dm: set DM_TARGET_WILDCARD feature on "error" target	2016-02-22 11:06:21 -05:00
dm-thin-metadata.c	dm thin metadata: don't issue prefetches if a transaction abort has failed	2016-03-10 17:12:09 -05:00
dm-thin-metadata.h	dm thin metadata: add dm_thin_remove_range()	2015-06-11 17:13:04 -04:00
dm-thin.c	dm thin: consistently return -ENOSPC if pool has run out of data space	2016-03-11 16:15:22 -05:00
dm-uevent.c	…
dm-uevent.h	…
dm-verity-fec.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-verity-fec.h	dm verity: add support for forward error correction	2015-12-10 10:39:03 -05:00
dm-verity-target.c	dm: rename target's per_bio_data_size to per_io_data_size	2016-02-22 22:34:37 -05:00
dm-verity.h	dm verity: add ignore_zero_blocks feature	2015-12-10 10:39:03 -05:00
dm-zero.c	block: add a bi_error field to struct bio	2015-07-29 08:55:15 -06:00
dm.c	dm: fix rq_end_stats() NULL pointer in dm_requeue_original_request()	2016-03-14 17:04:34 -04:00
dm.h	dm: allow immutable request-based targets to use blk-mq pdu	2016-02-22 22:34:37 -05:00
faulty.c	MD: rename some functions	2016-01-20 13:52:20 -08:00
linear.c	block: kill merge_bvec_fn() completely	2015-08-13 12:31:57 -06:00
linear.h	…
md-cluster.c	md-cluster: fix missing memory free	2016-01-24 18:13:18 -08:00
md-cluster.h	md-cluster: append some actions when change bitmap from clustered to none	2016-01-06 11:38:57 +11:00
md.c	md updates for 4.5	2016-01-15 12:28:00 -08:00
md.h	md updates for 4.5	2016-01-15 12:28:00 -08:00
multipath.c	md/raid: only permit hot-add of compatible integrity profiles	2016-01-14 11:49:57 +11:00
multipath.h	…
raid0.c	treewide: Fix typos in printk	2015-12-08 14:59:19 +01:00
raid0.h	block: kill merge_bvec_fn() completely	2015-08-13 12:31:57 -06:00
raid1.c	MD: rename some functions	2016-01-20 13:52:20 -08:00
raid1.h	md-cluster: Use a small window for resync	2015-10-12 01:32:05 -05:00
raid5-cache.c	raid5-cache: handle journal hotadd in quiesce	2016-01-14 11:49:43 +11:00
raid5.c	MD: rename some functions	2016-01-20 13:52:20 -08:00
raid5.h	raid5-cache: IO error handling	2015-11-01 13:48:29 +11:00
raid10.c	MD: rename some functions	2016-01-20 13:52:20 -08:00
raid10.h	md/raid10: ensure device failure recorded before write request returns.	2015-08-31 19:43:45 +02:00