linux/drivers/fsi
Jeremy Kerr e0c24bddf0 fsi: master: Clarify master lifetimes & fix use-after-free in hub master
Once we call fsi_master_unregister, the core will put_device,
potentially freeing the hub master. This change adds a comment
explaining the lifetime of an allocated fsi_master.

We then add a reference from the driver to the hub master, so it stays
around until we've finished ->remove().

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Tested-by: Christopher Bostic <cbostic@linux.vnet.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-14 19:11:01 +01:00
..
fsi-core.c fsi: core: Reduce console output during normal scan 2018-03-14 19:11:01 +01:00
fsi-master-gpio.c fsi: Match fsi slaves and engines to available dt nodes 2018-03-14 19:11:00 +01:00
fsi-master-hub.c fsi: master: Clarify master lifetimes & fix use-after-free in hub master 2018-03-14 19:11:01 +01:00
fsi-master.h fsi: master: Clarify master lifetimes & fix use-after-free in hub master 2018-03-14 19:11:01 +01:00
fsi-scom.c drivers/fsi/scom: Remove reset before every putscom 2017-08-28 17:15:16 +02:00
Kconfig fsi: Match fsi slaves and engines to available dt nodes 2018-03-14 19:11:00 +01:00
Makefile drivers/fsi: Add hub master support 2017-06-09 11:52:09 +02:00