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Diffstat (limited to 'net/mptcp/subflow.c')
-rw-r--r--net/mptcp/subflow.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 409bd415ef1d..24c2de1891bd 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -899,13 +899,17 @@ create_child:
goto dispose_child;
}
- if (!subflow_hmac_valid(req, &mp_opt) ||
- !mptcp_can_accept_new_subflow(subflow_req->msk)) {
+ if (!subflow_hmac_valid(req, &mp_opt)) {
SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT);
goto dispose_child;
}
+ if (!mptcp_can_accept_new_subflow(owner)) {
+ subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT);
+ goto dispose_child;
+ }
+
/* move the msk reference ownership to the subflow */
subflow_req->msk = NULL;
ctx->conn = (struct sock *)owner;