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Johan Hovold 44538397e7 greybus: connection: fix oops after failed init Make sure not to call connection_exit for connections that have never been initialised (e.g. due to failure to init). This fixes oopses due to null-dereferences and use-after-free in connection_exit callbacks (e.g. trying to remove a gpio-chip that has never been added) when the bundle and interface are ultimately destroyed. Signed-off-by: Johan Hovold <johan@hovoldconsulting.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>	History 2015-03-17 22:32:58 +01:00
drivers/staging/greybus	greybus: connection: fix oops after failed init	2015-03-17 22:32:58 +01:00

Johan Hovold 44538397e7 greybus: connection: fix oops after failed init

Make sure not to call connection_exit for connections that have never
been initialised (e.g. due to failure to init).

This fixes oopses due to null-dereferences and use-after-free in
connection_exit callbacks (e.g. trying to remove a gpio-chip that has
never been added) when the bundle and interface are ultimately
destroyed.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

History

2015-03-17 22:32:58 +01:00

drivers/staging/greybus

greybus: connection: fix oops after failed init

2015-03-17 22:32:58 +01:00