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authorJo-Philipp Wich <jo@mein.io>2020-03-31 09:54:58 +0200
committerJo-Philipp Wich <jo@mein.io>2020-04-12 00:08:05 +0200
commit93294b516e5437980a3562496a5bedec1b3a424f (patch)
tree9afa5efab04d41af62ea806e7d4714d4ab4f4150 /target/linux/generic/pending-4.19
parent8d9e26457c06d34a1d5d627d9d09bed6554b4b27 (diff)
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generic: drop 616-net_optimize_xfrm_calls.patch
The conditional check introduced by this patch may trigger a NULL pointer dereference in case the result of dev_net() is NULL. Since the purpose of this patch is neither sufficiently explained and since this patch apparently has never been submitted upstream despite it being in the pending-* patch directory, I propose to drop it without replacement. If the performance implications of dropping this patch are found to be significiant, it should be reintroduced with proper description and benchmark results. Ref: https://bugs.openwrt.org/index.php?do=details&task_id=2943 Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Diffstat (limited to 'target/linux/generic/pending-4.19')
-rw-r--r--target/linux/generic/pending-4.19/616-net_optimize_xfrm_calls.patch20
1 files changed, 0 insertions, 20 deletions
diff --git a/target/linux/generic/pending-4.19/616-net_optimize_xfrm_calls.patch b/target/linux/generic/pending-4.19/616-net_optimize_xfrm_calls.patch
deleted file mode 100644
index 6a5801027c..0000000000
--- a/target/linux/generic/pending-4.19/616-net_optimize_xfrm_calls.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Subject: kernel: add a small xfrm related performance optimization
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
- net/netfilter/nf_nat_core.c | 3 +++
- 1 file changed, 3 insertions(+)
-
---- a/net/netfilter/nf_nat_core.c
-+++ b/net/netfilter/nf_nat_core.c
-@@ -110,6 +110,9 @@ int nf_xfrm_me_harder(struct net *net, s
- struct sock *sk = skb->sk;
- int err;
-
-+ if (skb->dev && !dev_net(skb->dev)->xfrm.policy_count[XFRM_POLICY_OUT])
-+ return 0;
-+
- err = xfrm_decode_session(skb, &fl, family);
- if (err < 0)
- return err;