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Commit c394e3d3 authored by Ursula Braun's avatar Ursula Braun Committed by Greg Kroah-Hartman
Browse files

net/smc: no peer ID in CLC decline for SMCD 



commit 369537c97024dca99303a8d4d6ab38b4f54d3909 upstream.

Just SMCR requires a CLC Peer ID, but not SMCD. The field should be
zero for SMCD.

Fixes: c758dfdd ("net/smc: add SMC-D support in CLC messages")
Signed-off-by: default avatarUrsula Braun <ubraun@linux.ibm.com>
Signed-off-by: default avatarKarsten Graul <kgraul@linux.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5f8a249c

net/smc/smc_clc.c

+3 −1
Original line number Diff line number Diff line
@@ -364,7 +364,9 @@ 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));