net/smc: return active RoCE port only
SMC requires an active ib port on the RoCE device.
smc_pnet_find_roce_resource() determines the matching RoCE device port
according to the configured PNET table. Do not return the found
RoCE device port, if it is not flagged active.
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/smc/smc_pnet.c b/net/smc/smc_pnet.c
index f1cff01..78f7af2 100644
--- a/net/smc/smc_pnet.c
+++ b/net/smc/smc_pnet.c
@@ -523,8 +523,11 @@ void smc_pnet_find_roce_resource(struct sock *sk,
read_lock(&smc_pnettable.lock);
list_for_each_entry(pnetelem, &smc_pnettable.pnetlist, list) {
if (dst->dev == pnetelem->ndev) {
- *smcibdev = pnetelem->smcibdev;
- *ibport = pnetelem->ib_port;
+ if (smc_ib_port_active(pnetelem->smcibdev,
+ pnetelem->ib_port)) {
+ *smcibdev = pnetelem->smcibdev;
+ *ibport = pnetelem->ib_port;
+ }
break;
}
}