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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-26 10:38:21 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-09-26 10:38:21 +0200
commit67102bd31b4e31abb0abbc390381212a2d65db72 (patch)
tree904754c940eb87b951cf877f09074a7d28bc2947 /net/mptcp/protocol.c
parentad5dbfc123e6ffbbde194e2a4603323e09f741ee (diff)
parentf76349cf41451c5c42a99f18a9163377e4b364ff (diff)
Merge 6.0-rc7 into usb-next
We need the USB fixes in here for other follow-on changes to be able to be applied successfully. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index d398f3810662..969b33a9dd64 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -150,9 +150,15 @@ static bool mptcp_try_coalesce(struct sock *sk, struct sk_buff *to,
MPTCP_SKB_CB(from)->map_seq, MPTCP_SKB_CB(to)->map_seq,
to->len, MPTCP_SKB_CB(from)->end_seq);
MPTCP_SKB_CB(to)->end_seq = MPTCP_SKB_CB(from)->end_seq;
- kfree_skb_partial(from, fragstolen);
+
+ /* note the fwd memory can reach a negative value after accounting
+ * for the delta, but the later skb free will restore a non
+ * negative one
+ */
atomic_add(delta, &sk->sk_rmem_alloc);
mptcp_rmem_charge(sk, delta);
+ kfree_skb_partial(from, fragstolen);
+
return true;
}