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net: NULL the old xps map entries when freeing them

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In __netif_set_xps_queue, old map entries from the old dev_maps are
freed but their corresponding entry in the old dev_maps aren't NULLed.
Fix this.

Signed-off-by: Antoine Tenart <atenart@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Antoine Tenart 2021-03-18 19:37:52 +01:00 committed by David S. Miller
parent 2d05bf0153
commit 75b2758abc
1 changed files with 1 additions and 0 deletions
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net/core/dev.c
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@ -2764,6 +2764,7 @@ int __netif_set_xps_queue(struct net_device *dev, const unsigned long *mask,
continue; continue;
} }
RCU_INIT_POINTER(dev_maps->attr_map[tci], NULL);
kfree_rcu(map, rcu); kfree_rcu(map, rcu);
} }
} }