summaryrefslogtreecommitdiff
path: root/net/mptcp/subflow.c
diff options
context:
space:
mode:
authorJakub Kicinski <kuba@kernel.org>2025-04-10 16:49:17 -0700
committerJakub Kicinski <kuba@kernel.org>2025-04-10 16:51:07 -0700
commitcb7103298d1c5d8f71aa79283b64ca01c30264c7 (patch)
treece77754286d5a0ccbcaf92c47db1063a80745252 /net/mptcp/subflow.c
parenta9843689e2de1a3727d58b4225e4f8664937aefd (diff)
parentab59a8605604f71bbbc16077270dc3f39648b7fc (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.15-rc2). Conflict: Documentation/networking/netdevices.rst net/core/lock_debug.c 04efcee6ef8d ("net: hold instance lock during NETDEV_CHANGE") 03df156dd3a6 ("xdp: double protect netdev->xdp_flags with netdev->lock") No adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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;