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-rw-r--r--net/smc/af_smc.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 48530dab5c94..f2d925921d81 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -1490,20 +1490,32 @@ static int smc_ioctl(struct socket *sock, unsigned int cmd,
case SIOCINQ: /* same as FIONREAD */
if (smc->sk.sk_state == SMC_LISTEN)
return -EINVAL;
- answ = atomic_read(&smc->conn.bytes_to_rcv);
+ if (smc->sk.sk_state == SMC_INIT ||
+ smc->sk.sk_state == SMC_CLOSED)
+ answ = 0;
+ else
+ answ = atomic_read(&smc->conn.bytes_to_rcv);
break;
case SIOCOUTQ:
/* output queue size (not send + not acked) */
if (smc->sk.sk_state == SMC_LISTEN)
return -EINVAL;
- answ = smc->conn.sndbuf_desc->len -
+ if (smc->sk.sk_state == SMC_INIT ||
+ smc->sk.sk_state == SMC_CLOSED)
+ answ = 0;
+ else
+ answ = smc->conn.sndbuf_desc->len -
atomic_read(&smc->conn.sndbuf_space);
break;
case SIOCOUTQNSD:
/* output queue size (not send only) */
if (smc->sk.sk_state == SMC_LISTEN)
return -EINVAL;
- answ = smc_tx_prepared_sends(&smc->conn);
+ if (smc->sk.sk_state == SMC_INIT ||
+ smc->sk.sk_state == SMC_CLOSED)
+ answ = 0;
+ else
+ answ = smc_tx_prepared_sends(&smc->conn);
break;
default:
return -ENOIOCTLCMD;