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3368ba25bf
linux/drivers/s390/cio
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Sebastian Ott 3368ba25bf s390/cio: invalidate cdev pointer before deregistration 
Make sure that the cdev pointer for IO subchannels is set to NULL when
we deregister the device (and release its last reference). This will
fix a bug were another process operates on an already freed ccw device.

Acked-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-09-06 10:40:40 +02:00
..
airq.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
blacklist.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
blacklist.h
ccwgroup.c s390/ccwgroup: remove ccwgroup_create_from_string 2012-05-16 14:42:49 +02:00
ccwreq.c [S390] cio: add message for timeouts on internal I/O 2011-10-30 15:16:41 +01:00
chp.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
chp.h s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
chsc_sch.c compat: fix compile breakage on s390 2012-02-27 07:54:27 -08:00
chsc_sch.h [S390] cio: Add chsc subchannel driver. 2008-07-14 10:02:12 +02:00
chsc.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
chsc.h [S390] cio: obtain mdc value per channel path 2011-01-05 12:47:28 +01:00
cio_debug.h [S390] cio: Remove cio_msg kernel parameter. 2008-05-07 09:23:01 +02:00
cio.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
cio.h [S390] hibernate: directly trigger subchannel evaluation 2011-12-01 13:32:17 +01:00
cmf.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
crw.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
css.c [S390] hibernate: directly trigger subchannel evaluation 2011-12-01 13:32:17 +01:00
css.h [S390] sparse: fix sparse warnings about missing prototypes 2011-10-30 15:16:46 +01:00
device_fsm.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device_id.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device_ops.c [S390] cio: provide fake irb for transport mode IO 2011-12-01 13:32:18 +01:00
device_pgid.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device_status.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
device.c s390/cio: invalidate cdev pointer before deregistration 2012-09-06 10:40:40 +02:00
device.h s390/ccwgroup: exploit ccwdev_by_dev_id 2012-05-16 14:42:46 +02:00
fcx.c [S390] drivers: Correct size given to memset 2009-12-18 17:43:32 +01:00
idset.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
idset.h s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
io_sch.h [S390] cio: provide fake irb for transport mode IO 2011-12-01 13:32:18 +01:00
ioasm.h [S390] cio: move asms to generic header 2011-03-15 17:08:23 +01:00
isc.c [S390] cio: introduce isc_(un)register functions. 2008-07-14 10:02:11 +02:00
itcw.c [S390] cio: reduce memory consumption of itcw structures 2011-01-05 12:47:29 +01:00
Makefile [S390] qdio: convert global statistics to per-device stats 2010-01-04 09:05:58 +01:00
orb.h [S390] cio: move orb definitions to separate header 2011-03-15 17:08:23 +01:00
qdio_debug.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
qdio_debug.h s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
qdio_main.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
qdio_setup.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
qdio_thinint.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
qdio.h s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00