[ 07/33] tcm_fc: Do not report target role when target is not defined

From: Greg Kroah-Hartman
Date: Fri Jan 18 2013 - 20:35:56 EST


3.7-stable review patch. If anyone has any objections, please let me know.

------------------

From: Mark Rustad <mark.d.rustad@xxxxxxxxx>

commit edec8dfefa1f372b2dd8197da555352e76a10c03 upstream.

Clear the target role when no target is provided for
the node performing a PRLI.

Signed-off-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>
Reviewed-by: Bhanu Prakash Gollapudi <bprakash@xxxxxxxxxxxx>
Acked by Robert Love <robert.w.love@xxxxxxxxx>
Signed-off-by: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/target/tcm_fc/tfc_sess.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -355,11 +355,11 @@ static int ft_prli_locked(struct fc_rpor

tport = ft_tport_create(rdata->local_port);
if (!tport)
- return 0; /* not a target for this local port */
+ goto not_target; /* not a target for this local port */

acl = ft_acl_get(tport->tpg, rdata);
if (!acl)
- return 0;
+ goto not_target; /* no target for this remote */

if (!rspp)
goto fill;
@@ -402,6 +402,12 @@ fill:
fcp_parm &= ~FCP_SPPF_RETRY;
spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
return FC_SPP_RESP_ACK;
+
+not_target:
+ fcp_parm = ntohl(spp->spp_params);
+ fcp_parm &= ~FCP_SPPF_TARG_FCN;
+ spp->spp_params = htonl(fcp_parm);
+ return 0;
}

/**


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