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can: j1939: warn if resources are still linked on destroy
authorOleksij Rempel <o.rempel@pengutronix.de>
Fri, 8 Nov 2019 12:57:14 +0000 (13:57 +0100)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Wed, 13 Nov 2019 09:42:34 +0000 (10:42 +0100)
commit4a15d574e68afffbe8d7265e015cda2ac2a248ec
tree2918619e9ac79e1707f11de95c3d7d9d88c2d1e2tree | snapshot
parentddeeb7d4822ed06d79fc15e822b70dce3fa77e39commit | diff
can: j1939: warn if resources are still linked on destroy

j1939_session_destroy() and __j1939_priv_release() should be called only
if session, ecu or socket are not linked or used by any one else. If at
least one of these resources is linked, then the reference counting is
broken somewhere.

This warning will be triggered before KASAN will do, and will make it
easier to debug initial issue. This works on platforms without KASAN
support.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
net/can/j1939/main.c diff | blob | history
net/can/j1939/transport.c diff | blob | history
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