Wenchao Hao c9f0e54a25 scsi: iscsi: Fix multiple iSCSI session unbind events sent to userspace ... [ Upstream commit a3be19b91ea7121d388084e8c07f5b1b982eb40c ] It was observed that the kernel would potentially send ISCSI_KEVENT_UNBIND_SESSION multiple times. Introduce 'target_state' in iscsi_cls_session() to make sure session will send only one unbind session event. This introduces a regression wrt. the issue fixed in commit 13e60d3ba2 ("scsi: iscsi: Report unbind session event when the target has been removed"). If iscsid dies for any reason after sending an unbind session to kernel, once iscsid is restarted, the kernel's ISCSI_KEVENT_UNBIND_SESSION event is lost and userspace is then unable to logout. However, the session is actually in invalid state (its target_id is INVALID) so iscsid should not sync this session during restart. Consequently we need to check the session's target state during iscsid restart. If session is in unbound state, do not sync this session and perform session teardown. This is OK because once a session is unbound, we can not recover it any more (mainly because its target id is INVALID). Signed-off-by: Wenchao Hao <haowenchao@huawei.com> Link: https://lore.kernel.org/r/20221126010752.231917-1-haowenchao@huawei.com Reviewed-by: Mike Christie <michael.christie@oracle.com> Reviewed-by: Wu Bo <wubo40@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-02-01 08:34:27 +01:00
..
acpi	ACPI: Fix selecting wrong ACPI fwnode for the iGPU on some Dell laptops	2023-01-18 11:58:11 +01:00
asm-generic	15 hotfixes. 11 marked cc:stable. Only three or four of the latter	2022-12-02 13:39:38 -08:00
clocksource
crypto
drm	drm/plane-helper: Add the missing declaration of drm_atomic_state	2023-01-12 12:02:52 +01:00
dt-bindings	dt-bindings: clocks: imx8mp: Add ID for usb suspend clock	2022-12-31 13:33:09 +01:00
keys
kunit
kvm
linux	thermal: Validate new state in cur_state_store()	2023-02-01 08:34:26 +01:00
math-emu
media	media: dvbdev: fix build warning due to comments	2022-12-31 13:33:12 +01:00
memory
misc
net	net/sched: sch_taprio: fix possible use-after-free	2023-02-01 08:34:19 +01:00
pcmcia
ras
rdma
rv
scsi	scsi: iscsi: Fix multiple iSCSI session unbind events sent to userspace	2023-02-01 08:34:27 +01:00
soc	ARM: at91: pm: avoid soft resetting AC DLL	2022-11-01 12:25:19 +02:00
sound	ALSA: hda/hdmi: fix stream-id config keep-alive for rt suspend	2022-12-31 13:33:07 +01:00
target
trace	btrfs: fix trace event name typo for FLUSH_DELAYED_REFS	2023-01-24 07:24:30 +01:00
uapi	firmware/psci: Fix MEM_PROTECT_RANGE function numbers	2023-01-18 11:58:16 +01:00
ufs
vdso
video
xen	xen/virtio: enable grant based virtio on x86	2022-10-10 14:31:26 +02:00