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ipv6: mcast: Simplify mld_clear_{report|query}()

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Use __skb_queue_purge() instead of re-implementing it. Note that it uses
kfree_skb_reason() instead of kfree_skb() internally, and pass
SKB_DROP_REASON_QUEUE_PURGE drop reason to the kfree_skb tracepoint.

Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://patch.msgid.link/20250715120709.3941510-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Yue Haibing 2025-07-15 20:07:09 +08:00 committed by Jakub Kicinski
parent 47ee43e4bf
commit 6c628ed95e
1 changed files with 2 additions and 8 deletions
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10
net/ipv6/mcast.c
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@ -845,21 +845,15 @@ static void mld_clear_delrec(struct inet6_dev *idev)
static void mld_clear_query(struct inet6_dev *idev)
{
struct sk_buff *skb;
spin_lock_bh(&idev->mc_query_lock);
while ((skb = __skb_dequeue(&idev->mc_query_queue)))
kfree_skb(skb);
__skb_queue_purge(&idev->mc_query_queue);
spin_unlock_bh(&idev->mc_query_lock);
}
static void mld_clear_report(struct inet6_dev *idev)
{
struct sk_buff *skb;
spin_lock_bh(&idev->mc_report_lock);
while ((skb = __skb_dequeue(&idev->mc_report_queue)))
kfree_skb(skb);
__skb_queue_purge(&idev->mc_report_queue);
spin_unlock_bh(&idev->mc_report_lock);
}