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authorDavid S. Miller <davem@davemloft.net>2020-02-14 07:09:36 -0800
committerDavid S. Miller <davem@davemloft.net>2020-02-14 07:09:36 -0800
commit907e51e41ad9061b49811750475bfeb75c0f2b3c (patch)
tree9c0d320edb8d2b084fcd1d721db5aa3315b4bc31
parentdc221a28d0944f1a28755caa66bf58bfa47e26d1 (diff)
parent369537c97024dca99303a8d4d6ab38b4f54d3909 (diff)
downloadlwn-907e51e41ad9061b49811750475bfeb75c0f2b3c.tar.gz
lwn-907e51e41ad9061b49811750475bfeb75c0f2b3c.zip
Merge branch 'smc-fixes'
Karsten Graul says: ==================== net/smc: fixes for -net Fix a syzbot finding and a problem with the CLC handshake content. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/smc/af_smc.c2
-rw-r--r--net/smc/smc_clc.c4
2 files changed, 5 insertions, 1 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index cee5bf4a9bb9..90988a511cd5 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -470,6 +470,8 @@ static void smc_switch_to_fallback(struct smc_sock *smc)
if (smc->sk.sk_socket && smc->sk.sk_socket->file) {
smc->clcsock->file = smc->sk.sk_socket->file;
smc->clcsock->file->private_data = smc->clcsock;
+ smc->clcsock->wq.fasync_list =
+ smc->sk.sk_socket->wq.fasync_list;
}
}
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 0879f7bed967..86cccc24e52e 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -372,7 +372,9 @@ int smc_clc_send_decline(struct smc_sock *smc, u32 peer_diag_info)
dclc.hdr.length = htons(sizeof(struct smc_clc_msg_decline));
dclc.hdr.version = SMC_CLC_V1;
dclc.hdr.flag = (peer_diag_info == SMC_CLC_DECL_SYNCERR) ? 1 : 0;
- memcpy(dclc.id_for_peer, local_systemid, sizeof(local_systemid));
+ if (smc->conn.lgr && !smc->conn.lgr->is_smcd)
+ memcpy(dclc.id_for_peer, local_systemid,
+ sizeof(local_systemid));
dclc.peer_diagnosis = htonl(peer_diag_info);
memcpy(dclc.trl.eyecatcher, SMC_EYECATCHER, sizeof(SMC_EYECATCHER));