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Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

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Pull target fixes from Nicholas Bellinger:
 "Two minor target fixes.  There is really nothing exciting and/or
  controversial this time around.

  There's one fix from MDR for a RCU debug warning message within tcm_fc
  code (CC'ed to stable), and a small AC fix for qla_target.c based upon
  a recent Coverity static report.

  Also, there is one other outstanding virtio-scsi LUN scanning bugfix
  that has been uncovered with the in-flight tcm_vhost driver over the
  last days, and that needs to make it into 3.5 final too.  This patch
  has been posted to linux-scsi again here:

    http://marc.info/?l=linux-scsi&m=134160609212542&w=2

  and I've asked James to include it in his next PULL request."

* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
  qla2xxx: print the right array elements in qlt_async_event
  tcm_fc: Resolve suspicious RCU usage warnings
This commit is contained in:
Linus Torvalds 2012-07-06 13:59:50 -07:00
commit c8912f2be3
2 changed files with 20 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
drivers/scsi/qla2xxx/qla_target.c
View File

@ -3960,7 +3960,7 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
{
struct qla_hw_data *ha = vha->hw;
struct qla_tgt *tgt = ha->tgt.qla_tgt;
int reason_code;
int login_code;
ql_dbg(ql_dbg_tgt, vha, 0xe039,
"scsi(%ld): ha state %d init_done %d oper_mode %d topo %d\n",
@ -4003,9 +4003,9 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
{
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03b,
"qla_target(%d): Async LOOP_UP occured "
"(m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx,
le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
"(m[0]=%x, m[1]=%x, m[2]=%x, m[3]=%x)", vha->vp_idx,
le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
if (tgt->link_reinit_iocb_pending) {
qlt_send_notify_ack(vha, (void *)&tgt->link_reinit_iocb,
0, 0, 0, 0, 0, 0);
@ -4020,23 +4020,24 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
case MBA_RSCN_UPDATE:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03c,
"qla_target(%d): Async event %#x occured "
"(m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx, code,
le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
"(m[0]=%x, m[1]=%x, m[2]=%x, m[3]=%x)", vha->vp_idx, code,
le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
break;
case MBA_PORT_UPDATE:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03d,
"qla_target(%d): Port update async event %#x "
"occured: updating the ports database (m[1]=%x, m[2]=%x, "
"m[3]=%x, m[4]=%x)", vha->vp_idx, code,
le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
reason_code = le16_to_cpu(mailbox[2]);
if (reason_code == 0x4)
"occured: updating the ports database (m[0]=%x, m[1]=%x, "
"m[2]=%x, m[3]=%x)", vha->vp_idx, code,
le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
login_code = le16_to_cpu(mailbox[2]);
if (login_code == 0x4)
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03e,
"Async MB 2: Got PLOGI Complete\n");
else if (reason_code == 0x7)
else if (login_code == 0x7)
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf03f,
"Async MB 2: Port Logged Out\n");
break;
@ -4044,9 +4045,9 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
default:
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf040,
"qla_target(%d): Async event %#x occured: "
"ignore (m[1]=%x, m[2]=%x, m[3]=%x, m[4]=%x)", vha->vp_idx,
code, le16_to_cpu(mailbox[1]), le16_to_cpu(mailbox[2]),
le16_to_cpu(mailbox[3]), le16_to_cpu(mailbox[4]));
"ignore (m[0]=%x, m[1]=%x, m[2]=%x, m[3]=%x)", vha->vp_idx,
code, le16_to_cpu(mailbox[0]), le16_to_cpu(mailbox[1]),
le16_to_cpu(mailbox[2]), le16_to_cpu(mailbox[3]));
break;
}

3
drivers/target/tcm_fc/tfc_sess.c
View File

@ -58,7 +58,8 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)
struct ft_tport *tport;
int i;
tport = rcu_dereference(lport->prov[FC_TYPE_FCP]);
tport = rcu_dereference_protected(lport->prov[FC_TYPE_FCP],
lockdep_is_held(&ft_lport_lock));
if (tport && tport->tpg)
return tport;