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196f3d586f
5.4.102 backported a lot of stuff that our WireGuard backport already did, in addition to other patches we had, so those patches were removed from that part of the series. In the process other patches were refreshed or reworked to account for upstream changes. This commit involved `update_kernel.sh -v -u 5.4`. Cc: John Audia <graysky@archlinux.us> Cc: David Bauer <mail@david-bauer.net> Cc: Petr Štetiar <ynezz@true.cz> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Wei Yongjun <weiyongjun1@huawei.com>
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Date: Sun, 15 Dec 2019 22:08:04 +0100
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Subject: [PATCH] wireguard: allowedips: use kfree_rcu() instead of call_rcu()
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commit d89ee7d5c73af15c1c6f12b016cdf469742b5726 upstream.
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The callback function of call_rcu() just calls a kfree(), so we
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can use kfree_rcu() instead of call_rcu() + callback function.
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Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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drivers/net/wireguard/allowedips.c | 7 +------
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1 file changed, 1 insertion(+), 6 deletions(-)
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--- a/drivers/net/wireguard/allowedips.c
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+++ b/drivers/net/wireguard/allowedips.c
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@@ -31,11 +31,6 @@ static void copy_and_assign_cidr(struct
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#define CHOOSE_NODE(parent, key) \
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parent->bit[(key[parent->bit_at_a] >> parent->bit_at_b) & 1]
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-static void node_free_rcu(struct rcu_head *rcu)
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-{
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- kfree(container_of(rcu, struct allowedips_node, rcu));
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-}
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-
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static void push_rcu(struct allowedips_node **stack,
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struct allowedips_node __rcu *p, unsigned int *len)
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{
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@@ -112,7 +107,7 @@ static void walk_remove_by_peer(struct a
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if (!node->bit[0] || !node->bit[1]) {
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rcu_assign_pointer(*nptr, DEREF(
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&node->bit[!REF(node->bit[0])]));
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- call_rcu(&node->rcu, node_free_rcu);
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+ kfree_rcu(node, rcu);
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node = DEREF(nptr);
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}
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}
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