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-rw-r--r--net/can/bcm.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/net/can/bcm.c b/net/can/bcm.c
index e15a7dbe5f6c..508f67de0b80 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -785,6 +785,7 @@ static int bcm_delete_rx_op(struct list_head *ops, struct bcm_msg_head *mh,
bcm_rx_handler, op);
list_del(&op->list);
+ synchronize_rcu();
bcm_remove_op(op);
return 1; /* done */
}
@@ -1533,9 +1534,13 @@ static int bcm_release(struct socket *sock)
REGMASK(op->can_id),
bcm_rx_handler, op);
- bcm_remove_op(op);
}
+ synchronize_rcu();
+
+ list_for_each_entry_safe(op, next, &bo->rx_ops, list)
+ bcm_remove_op(op);
+
#if IS_ENABLED(CONFIG_PROC_FS)
/* remove procfs entry */
if (net->can.bcmproc_dir && bo->bcm_proc_read)