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author | Linus Torvalds | 2019-05-08 03:14:36 +0200 |
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committer | Linus Torvalds | 2019-05-08 03:14:36 +0200 |
commit | 67a242223958d628f0ba33283668e3ddd192d057 (patch) | |
tree | a39e7039e9a2ef9ab46f8ba561175dbdc6101d11 /block/partition-generic.c | |
parent | Merge tag 'leds-for-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff) | |
parent | block: fix mismerge in bvec_advance (diff) | |
download | kernel-qcow2-linux-67a242223958d628f0ba33283668e3ddd192d057.tar.gz kernel-qcow2-linux-67a242223958d628f0ba33283668e3ddd192d057.tar.xz kernel-qcow2-linux-67a242223958d628f0ba33283668e3ddd192d057.zip |
Merge tag 'for-5.2/block-20190507' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Nothing major in this series, just fixes and improvements all over the
map. This contains:
- Series of fixes for sed-opal (David, Jonas)
- Fixes and performance tweaks for BFQ (via Paolo)
- Set of fixes for bcache (via Coly)
- Set of fixes for md (via Song)
- Enabling multi-page for passthrough requests (Ming)
- Queue release fix series (Ming)
- Device notification improvements (Martin)
- Propagate underlying device rotational status in loop (Holger)
- Removal of mtip32xx trim support, which has been disabled for years
(Christoph)
- Improvement and cleanup of nvme command handling (Christoph)
- Add block SPDX tags (Christoph)
- Cleanup/hardening of bio/bvec iteration (Christoph)
- A few NVMe pull requests (Christoph)
- Removal of CONFIG_LBDAF (Christoph)
- Various little fixes here and there"
* tag 'for-5.2/block-20190507' of git://git.kernel.dk/linux-block: (164 commits)
block: fix mismerge in bvec_advance
block: don't drain in-progress dispatch in blk_cleanup_queue()
blk-mq: move cancel of hctx->run_work into blk_mq_hw_sysfs_release
blk-mq: always free hctx after request queue is freed
blk-mq: split blk_mq_alloc_and_init_hctx into two parts
blk-mq: free hw queue's resource in hctx's release handler
blk-mq: move cancel of requeue_work into blk_mq_release
blk-mq: grab .q_usage_counter when queuing request from plug code path
block: fix function name in comment
nvmet: protect discovery change log event list iteration
nvme: mark nvme_core_init and nvme_core_exit static
nvme: move command size checks to the core
nvme-fabrics: check more command sizes
nvme-pci: check more command sizes
nvme-pci: remove an unneeded variable initialization
nvme-pci: unquiesce admin queue on shutdown
nvme-pci: shutdown on timeout during deletion
nvme-pci: fix psdt field for single segment sgls
nvme-multipath: don't print ANA group state by default
nvme-multipath: split bios with the ns_head bio_set before submitting
...
Diffstat (limited to 'block/partition-generic.c')
-rw-r--r-- | block/partition-generic.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/partition-generic.c b/block/partition-generic.c index 8e596a8dff32..aee643ce13d1 100644 --- a/block/partition-generic.c +++ b/block/partition-generic.c @@ -285,6 +285,13 @@ void delete_partition(struct gendisk *disk, int partno) kobject_put(part->holder_dir); device_del(part_to_dev(part)); + /* + * Remove gendisk pointer from idr so that it cannot be looked up + * while RCU period before freeing gendisk is running to prevent + * use-after-free issues. Note that the device number stays + * "in-use" until we really free the gendisk. + */ + blk_invalidate_devt(part_devt(part)); hd_struct_kill(part); } |