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devlink: Add WARN_ON to catch errors of not cleaning devlink objects

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Add WARN_ON to make sure that all sub objects of a devlink device are
cleanedup before freeing the devlink device.
This helps to catch any driver bugs.

Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Parav Pandit 2019-02-08 15:15:00 -06:00 • committed by David S. Miller
parent cbd72b4852
commit b904aada80
1 changed files with 8 additions and 0 deletions
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8
net/core/devlink.c
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@ -5241,6 +5241,14 @@ EXPORT_SYMBOL_GPL(devlink_unregister);
*/
void devlink_free(struct devlink *devlink)
{
WARN_ON(!list_empty(&devlink->reporter_list));
WARN_ON(!list_empty(&devlink->region_list));
WARN_ON(!list_empty(&devlink->param_list));
WARN_ON(!list_empty(&devlink->resource_list));
WARN_ON(!list_empty(&devlink->dpipe_table_list));
WARN_ON(!list_empty(&devlink->sb_list));
WARN_ON(!list_empty(&devlink->port_list));
kfree(devlink);
}
EXPORT_SYMBOL_GPL(devlink_free);