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authorJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
committerJason Gunthorpe <jgg@nvidia.com>2023-06-27 14:06:29 -0300
commit5f004bcaee4cb552cf1b46a505f18f08777db7e5 (patch)
treec81bdd8e01ba8de9862c8bdb1b210559d4bcf154 /net/tipc/link.c
parent4251f631fdfba0b38e4634510c5950ee157cc069 (diff)
parent6995e2de6891c724bfeb2db33d7b87775f913ad1 (diff)
Merge tag 'v6.4' into rdma.git for-next
Linux 6.4 Resolve conflicts between rdma rc and next in rxe_cq matching linux-next: drivers/infiniband/sw/rxe/rxe_cq.c: https://lore.kernel.org/r/20230622115246.365d30ad@canb.auug.org.au Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'net/tipc/link.c')
-rw-r--r--net/tipc/link.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/tipc/link.c b/net/tipc/link.c
index b3ce24823f50..2eff1c7949cb 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -2200,7 +2200,7 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
struct tipc_msg *hdr = buf_msg(skb);
struct tipc_gap_ack_blks *ga = NULL;
bool reply = msg_probe(hdr), retransmitted = false;
- u32 dlen = msg_data_sz(hdr), glen = 0;
+ u32 dlen = msg_data_sz(hdr), glen = 0, msg_max;
u16 peers_snd_nxt = msg_next_sent(hdr);
u16 peers_tol = msg_link_tolerance(hdr);
u16 peers_prio = msg_linkprio(hdr);
@@ -2239,6 +2239,9 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
switch (mtyp) {
case RESET_MSG:
case ACTIVATE_MSG:
+ msg_max = msg_max_pkt(hdr);
+ if (msg_max < tipc_bearer_min_mtu(l->net, l->bearer_id))
+ break;
/* Complete own link name with peer's interface name */
if_name = strrchr(l->name, ':') + 1;
if (sizeof(l->name) - (if_name - l->name) <= TIPC_MAX_IF_NAME)
@@ -2283,8 +2286,8 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
l->peer_session = msg_session(hdr);
l->in_session = true;
l->peer_bearer_id = msg_bearer_id(hdr);
- if (l->mtu > msg_max_pkt(hdr))
- l->mtu = msg_max_pkt(hdr);
+ if (l->mtu > msg_max)
+ l->mtu = msg_max;
break;
case STATE_MSG: