From a5e04318c83a31925300af1ce358dbc1a708b732 Mon Sep 17 00:00:00 2001 From: Ursula Braun Date: Mon, 4 Feb 2019 13:44:46 +0100 Subject: net/smc: delete rkey first before switching to unused Once RMBs are flagged as unused they are candidates for reuse. Thus the LLC DELETE RKEY operaton should be made before flagging the RMB as unused. Fixes: c7674c001b11 ("net/smc: unregister rkeys of unused buffer") Signed-off-by: Ursula Braun Signed-off-by: David S. Miller --- net/smc/smc_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net/smc') diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c index 097c798983ca..aa1c551cee81 100644 --- a/net/smc/smc_core.c +++ b/net/smc/smc_core.c @@ -302,13 +302,13 @@ static void smc_buf_unuse(struct smc_connection *conn, conn->sndbuf_desc->used = 0; if (conn->rmb_desc) { if (!conn->rmb_desc->regerr) { - conn->rmb_desc->used = 0; if (!lgr->is_smcd) { /* unregister rmb with peer */ smc_llc_do_delete_rkey( &lgr->lnk[SMC_SINGLE_LINK], conn->rmb_desc); } + conn->rmb_desc->used = 0; } else { /* buf registration failed, reuse not possible */ write_lock_bh(&lgr->rmbs_lock); -- cgit