As remarked by Sam Ravnborg the spin_lock variable, that has been introduced
in commit 57c8a456640fa3ca777652f11f2db4179a3e66b6 ("can: Fix SJA1000 command
register writes on SMP systems") has not been initialized properly.This patch adds the initialization to allow spinlock debugging. Signed-off-by: Oliver Hartkopp <[email protected]> CC: Sam Ravnborg <[email protected]> --- diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 85f7cbf..0a8de01 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -599,6 +599,8 @@ struct net_device *alloc_sja1000dev(int sizeof_priv) priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | CAN_CTRLMODE_BERR_REPORTING; + spin_lock_init(&priv->cmdreg_lock); + if (sizeof_priv) priv->priv = (void *)priv + sizeof(struct sja1000_priv); _______________________________________________ Socketcan-core mailing list [email protected] https://lists.berlios.de/mailman/listinfo/socketcan-core
