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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-10-14 08:03:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-10-14 08:03:44 +0200
commit64f3b5a6bc49adf77d58eddd72a4bfccd492fa24 (patch)
treecdd6aa7a0d21482ae4d1e76d837f3712c8c6481d /net/mptcp/subflow.c
parentUSB: chaoskey: Fix possible deadlock chaoskey_list_lock (diff)
parentLinux 6.12-rc3 (diff)
downloadlinux-64f3b5a6bc49adf77d58eddd72a4bfccd492fa24.tar.gz
linux-64f3b5a6bc49adf77d58eddd72a4bfccd492fa24.zip
Merge 6.12-rc3 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/mptcp/subflow.c')
-rw-r--r--net/mptcp/subflow.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 1040b3b9696b..25dde81bcb75 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -975,8 +975,10 @@ static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb)
unsigned int skb_consumed;
skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq;
- if (WARN_ON_ONCE(skb_consumed >= skb->len))
+ if (unlikely(skb_consumed >= skb->len)) {
+ DEBUG_NET_WARN_ON_ONCE(1);
return true;
+ }
return skb->len - skb_consumed <= subflow->map_data_len -
mptcp_subflow_get_map_offset(subflow);
@@ -1280,7 +1282,7 @@ static bool subflow_can_fallback(struct mptcp_subflow_context *subflow)
else if (READ_ONCE(msk->csum_enabled))
return !subflow->valid_csum_seen;
else
- return !subflow->fully_established;
+ return READ_ONCE(msk->allow_infinite_fallback);
}
static void mptcp_subflow_fail(struct mptcp_sock *msk, struct sock *ssk)