Searched hist:"244 f5d597e1ea519c2085fbd9819458688775e42" (Results 1 – 1 of 1) sorted by relevance
| /linux/drivers/firmware/arm_ffa/ |
| H A D | bus.c | diff 244f5d597e1ea519c2085fbd9819458688775e42 Fri Sep 24 11:28:58 CEST 2021 Sudeep Holla <sudeep.holla@arm.com> firmware: arm_ffa: Add missing remove callback to ffa_bus_type
Currently the arm_ffa firmware driver can be built as module and hence
all the users of FFA driver. If any driver on the ffa bus is removed or
unregistered, the remove callback on all the device bound to the driver
being removed should be callback. For that to happen, we must register
a remove callback on the ffa_bus which is currently missing. This results
in the probe getting called again without the previous remove callback
on a device which may result in kernel crash.
Fix the issue by registering the remove callback on the FFA bus.
Link: https://lore.kernel.org/r/20210924092859.3057562-1-sudeep.holla@arm.com
Fixes: e781858488b9 ("firmware: arm_ffa: Add initial FFA bus support for device enumeration")
Reported-by: Jens Wiklander <jens.wiklander@linaro.org>
Tested-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
|