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linux/drivers/xen/xenbus
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Yuho Choi d330fb86a7 xenbus: Unregister reboot notifier on init failure 
xs_init() registers xs_reboot_nb before initializing XenStore
communications and starting xenwatch. If either operation fails, the
notifier remains registered and a later initialization attempt can hit a
duplicate registration.

Check the notifier registration result and unregister it on every
subsequent failure path.

Fixes: fd8aa9095a ("xen: optimize xenbus driver for multiple concurrent xenstore accesses")
Signed-off-by: Yuho Choi <dbgh9129@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Message-ID: <20260807032326.940377-1-dbgh9129@gmail.com>
History 2026-08-13 12:48:57 +02:00
..
Makefile xen/xenbus: Use *-y instead of *-objs in Makefile 2024-05-17 12:14:13 +02:00
xenbus.h xenbus: Rename helpers to freeze/thaw/restore 2026-02-02 07:45:37 +01:00
xenbus_client.c xen: branch for v7.0-rc3 2026-03-07 07:44:32 -08:00
xenbus_comms.c xenbus: Use kref to track req lifetime 2025-05-07 16:21:41 +02:00
xenbus_dev_backend.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xenbus_dev_frontend.c Convert 'alloc_flex' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
xenbus_probe.c xen: Drop CONFIG_XEN_PVHVM 2026-08-06 13:18:31 +02:00
xenbus_probe_backend.c xenbus/backend: dynamically allocate the xen-backend shrinker 2023-10-04 10:32:23 -07:00
xenbus_probe_frontend.c xenbus: add xenbus_device parameter to xenbus_read_driver_state() 2026-03-04 15:31:40 +01:00
xenbus_xs.c xenbus: Unregister reboot notifier on init failure 2026-08-13 12:48:57 +02:00