On Fri, Mar 31, 2023 at 11:49:55AM +0100, Cristian Marussi wrote:
commit 2ab4f4018cb6b8010ca5002c3bdc37783b5d28c2 upstream.
When mailboxes are used as a transport it is possible to setup the SCMI transport layer, depending on the underlying channels configuration, to use one or two mailboxes, associated, respectively, to one or two, distinct, shared memory areas: any other combination should be treated as invalid.
Add more strict checking of SCMI mailbox transport device node descriptors.
Fixes: fbc4d81ad285 ("firmware: arm_scmi: refactor in preparation to support per-protocol channels") Cc: stable@vger.kernel.org # 4.19 Signed-off-by: Cristian Marussi cristian.marussi@arm.com Link: https://lore.kernel.org/r/20230307162324.891866-1-cristian.marussi@arm.com Signed-off-by: Sudeep Holla sudeep.holla@arm.com [Cristian: backported to v4.19] Signed-off-by: Cristian Marussi cristian.marussi@arm.com
Backporting was trivial but required since the patched function was moved around in a different file.
Both backports now queued up, thanks.
greg k-h