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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 11:53:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-12-16 11:53:09 -0800 |
| commit | 7acfd4274e26e05a4f12ad31bf331fef11ebc6a3 (patch) | |
| tree | e9e2cb25a659e92e41d856aceba4f6a62c317286 /drivers/block | |
| parent | 571b12dd1ad41f371448b693c0bd2e64968c7af4 (diff) | |
| parent | 1c728719a4da6e654afb9cc047164755072ed7c9 (diff) | |
Merge tag 'for-linus-5.11-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
"Fixes for security issues just having been disclosed:
- a five patch series for fixing of XSA-349 (DoS via resource
depletion in Xen dom0)
- a patch fixing XSA-350 (access of stale pointer in a Xen dom0)"
* tag 'for-linus-5.11-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen-blkback: set ring->xenblkd to NULL after kthread_stop()
xenbus/xenbus_backend: Disallow pending watch messages
xen/xenbus: Count pending messages for each watch
xen/xenbus/xen_bus_type: Support will_handle watch callback
xen/xenbus: Add 'will_handle' callback support in xenbus_watch_path()
xen/xenbus: Allow watches discard events before queueing
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/xen-blkback/xenbus.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 76912c584a76..9860d4842f36 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -274,6 +274,7 @@ static int xen_blkif_disconnect(struct xen_blkif *blkif) if (ring->xenblkd) { kthread_stop(ring->xenblkd); + ring->xenblkd = NULL; wake_up(&ring->shutdown_wq); } @@ -675,7 +676,8 @@ static int xen_blkbk_probe(struct xenbus_device *dev, /* setup back pointer */ be->blkif->be = be; - err = xenbus_watch_pathfmt(dev, &be->backend_watch, backend_changed, + err = xenbus_watch_pathfmt(dev, &be->backend_watch, NULL, + backend_changed, "%s/%s", dev->nodename, "physical-device"); if (err) goto fail; |