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authorUrsula Braun <ubraun@linux.ibm.com>2019-02-04 13:44:46 +0100
committerDavid S. Miller <davem@davemloft.net>2019-02-04 09:11:19 -0800
commita5e04318c83a31925300af1ce358dbc1a708b732 (patch)
treeee3545500dc9cec8e9c2ed70774eafd474d2d1d1 /net
parentb8649efad879c69c7ab1f19ce8814fcabef1f72b (diff)
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 <ubraun@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/smc/smc_core.c2
1 files changed, 1 insertions, 1 deletions
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);