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linux/drivers/s390/cio
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Vineeth Vijayan dd9cb842fa s390/cio: verify the driver availability for path_event call 
If no driver is attached to a device or the driver does not provide the
path_event function, an FCES path-event on this device could end up in a
kernel-panic. Verify the driver availability before the path_event
function call.

Fixes: 32ef938815c1 ("s390/cio: Add support for FCES status notification")
Cc: stable@vger.kernel.org
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Suggested-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2022-02-09 22:55:01 +01:00
..
airq.c
s390: add struct tpi_info to struct pt_regs
2021-06-07 17:07:01 +02:00
blacklist.c
s390/cio: avoid excessive path-verification requests
2021-09-27 13:54:38 +02:00
blacklist.h
…
ccwgroup.c
s390/qeth: fix deadlock during failing recovery
2021-09-21 20:02:24 -07:00
ccwreq.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
chp.c
s390: replace snprintf in show functions with sysfs_emit
2021-11-16 12:29:19 +01:00
chp.h
s390/cio: Add support for FCES status notification
2020-11-16 08:14:38 -07:00
chsc_sch.c
s390/cio: remove uevent suppress from cio driver
2021-12-06 14:42:24 +01:00
chsc_sch.h
…
chsc.c
s390/cio: dont call css_wait_for_slow_path() inside a lock
2021-06-18 16:41:19 +02:00
chsc.h
s390/cio: Export information about Endpoint-Security Capability
2020-11-16 08:14:37 -07:00
cio_debug.h
s390/cio: introduce CIO debugfs directory
2021-03-22 11:36:04 +01:00
cio_debugfs.c
s390/cio: introduce CIO debugfs directory
2021-03-22 11:36:04 +01:00
cio_inject.c
s390/cio: add CRW inject functionality
2021-03-22 11:36:04 +01:00
cio_inject.h
s390/cio: add CRW inject functionality
2021-03-22 11:36:04 +01:00
cio.c
s390: add struct tpi_info to struct pt_regs
2021-06-07 17:07:01 +02:00
cio.h
s390/cio: add tpi.h header file
2021-06-07 17:07:01 +02:00
cmf.c
s390/cmf: get rid of register asm
2021-06-28 11:18:28 +02:00
crw.c
…
css.c
s390/cio: remove uevent suppress from cio driver
2021-12-06 14:42:24 +01:00
css.h
s390/cio: avoid excessive path-verification requests
2021-09-27 13:54:38 +02:00
device_fsm.c
s390/time,idle: get rid of unsigned long long
2021-03-08 10:46:27 +01:00
device_id.c
s390/cio: fix kernel doc comment
2021-09-07 13:38:42 +02:00
device_ops.c
s390/cio: make ccw_device_dma_* more robust
2021-10-26 15:21:30 +02:00
device_pgid.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device_status.c
s390/cio: add basic protected virtualization support
2019-06-15 12:25:00 +02:00
device.c
s390/cio: verify the driver availability for path_event call
2022-02-09 22:55:01 +01:00
device.h
s390/cio: remove pm support from ccw bus driver
2020-12-02 18:19:25 +01:00
eadm_sch.c
s390/cio: remove uevent suppress from cio driver
2021-12-06 14:42:24 +01:00
eadm_sch.h
…
fcx.c
…
idset.c
s390/cio: Remove unused inline function idset_sch_get_first
2020-05-20 10:22:49 +02:00
idset.h
…
io_sch.h
s390/cio: remove pm support from ccw bus driver
2020-12-02 18:19:25 +01:00
ioasm.c
s390/ioasm: use symbolic names for asm operands
2021-06-28 11:18:29 +02:00
ioasm.h
…
isc.c
…
itcw.c
…
Makefile
s390/cio: add CRW inject functionality
2021-03-22 11:36:04 +01:00
orb.h
…
qdio_debug.c
s390/qdio: remove remaining tasklet & timer code
2021-07-27 09:39:18 +02:00
qdio_debug.h
s390/qdio: cleanly split alloc and establish
2020-04-06 13:13:50 +02:00
qdio_main.c
s390/qdio: remove unneeded sanity check in qdio_do_sqbs()
2021-12-06 14:42:26 +01:00
qdio_setup.c
s390/qdio: clarify handler logic for qdio_handle_activate_check()
2021-12-06 14:42:25 +01:00
qdio_thinint.c
s390/qdio: track time of last data IRQ for each device
2021-02-09 15:57:04 +01:00
qdio.h
s390/qdio: clarify handler logic for qdio_handle_activate_check()
2021-12-06 14:42:25 +01:00
scm.c
bus: Make remove callback return void
2021-07-21 11:53:42 +02:00
trace.c
s390/cio: Remove tracing for rchp instruction
2019-05-08 15:01:22 +02:00
trace.h
s390: use struct tpi_info in lowcore.h
2021-06-07 17:07:01 +02:00
vfio_ccw_async.c
vfio-ccw: make vfio_ccw_async_region_ops static
2019-07-29 18:05:03 +02:00
vfio_ccw_chp.c
vfio-ccw: Fix a build error due to missing include of linux/slab.h
2020-07-03 11:41:31 +02:00
vfio_ccw_cp.c
vfio-ccw: Check initialized flag in cp_init()
2021-05-12 12:59:50 +02:00
vfio_ccw_cp.h
vfio-ccw: Refactor how the traces are built
2019-10-17 11:35:56 +02:00
vfio_ccw_drv.c
s390/cio: remove uevent suppress from cio driver
2021-12-06 14:42:24 +01:00
vfio_ccw_fsm.c
vfio-ccw: Reset FSM state to IDLE inside FSM
2021-05-12 12:59:50 +02:00
vfio_ccw_ops.c
vfio/ccw: Convert to use vfio_register_emulated_iommu_dev()
2021-10-28 11:06:31 -06:00
vfio_ccw_private.h
vfio/ccw: Convert to use vfio_register_emulated_iommu_dev()
2021-10-28 11:06:31 -06:00
vfio_ccw_trace.c
vfio-ccw: Add trace for CRW event
2020-06-03 11:28:19 +02:00
vfio_ccw_trace.h
vfio-ccw: Add trace for CRW event
2020-06-03 11:28:19 +02:00