diff options
Diffstat (limited to 'net/smc/af_smc.c')
| -rw-r--r-- | net/smc/af_smc.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 20d6d3fbb86c..6663a63be9e4 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -344,6 +344,13 @@ static int smcr_lgr_reg_rmbs(struct smc_link *link, struct smc_link_group *lgr = link->lgr; int i, rc = 0; + rc = smc_llc_flow_initiate(lgr, SMC_LLC_FLOW_RKEY); + if (rc) + return rc; + /* protect against parallel smc_llc_cli_rkey_exchange() and + * parallel smcr_link_reg_rmb() + */ + mutex_lock(&lgr->llc_conf_mutex); for (i = 0; i < SMC_LINKS_PER_LGR_MAX; i++) { if (lgr->lnk[i].state != SMC_LNK_ACTIVE) continue; @@ -360,6 +367,8 @@ static int smcr_lgr_reg_rmbs(struct smc_link *link, } rmb_desc->is_conf_rkey = true; out: + mutex_unlock(&lgr->llc_conf_mutex); + smc_llc_flow_stop(lgr, &lgr->llc_flow_lcl); return rc; } |