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authorJames Smart <james.smart@emulex.com>2010-10-22 17:06:56 +0200
committerJames Bottomley <James.Bottomley@suse.de>2010-10-26 17:42:27 +0200
commit5989b8d4dc0367a8c07cd1545dbad590a6de989d (patch)
treebb74cf25232c61538a499e7a5d5624a54a0b67a8 /drivers/scsi/lpfc/lpfc_scsi.c
parent[SCSI] lpfc 8.3.18: Adapter Shutdown and Unregistration cleanup (diff)
downloadlinux-5989b8d4dc0367a8c07cd1545dbad590a6de989d.tar.xz
linux-5989b8d4dc0367a8c07cd1545dbad590a6de989d.zip
[SCSI] lpfc 8.3.18: Fix critical errors
Fix critical errors - Update send_scsi_event to validate pnode pointer active before copying the wwpn information. - Add a message, mailbox_idle, and unlock before failing SECURITY_MGMT or AUTH_PORT mailbox commands - Prevent spin_lock_irqsave from being called twice in a row. Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 3a658953486c..f64b65a770b8 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -169,6 +169,7 @@ lpfc_update_stats(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
spin_lock_irqsave(shost->host_lock, flags);
if (!vport->stat_data_enabled ||
vport->stat_data_blocked ||
+ !pnode ||
!pnode->lat_data ||
(phba->bucket_type == LPFC_NO_BUCKET)) {
spin_unlock_irqrestore(shost->host_lock, flags);
@@ -2040,6 +2041,9 @@ lpfc_send_scsi_error_event(struct lpfc_hba *phba, struct lpfc_vport *vport,
struct lpfc_nodelist *pnode = lpfc_cmd->rdata->pnode;
unsigned long flags;
+ if (!pnode || !NLP_CHK_NODE_ACT(pnode))
+ return;
+
/* If there is queuefull or busy condition send a scsi event */
if ((cmnd->result == SAM_STAT_TASK_SET_FULL) ||
(cmnd->result == SAM_STAT_BUSY)) {
@@ -3226,10 +3230,11 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
struct lpfc_scsi_buf *lpfc_cmd;
struct lpfc_iocbq *iocbq;
struct lpfc_iocbq *iocbqrsp;
+ struct lpfc_nodelist *pnode = rdata->pnode;
int ret;
int status;
- if (!rdata->pnode || !NLP_CHK_NODE_ACT(rdata->pnode))
+ if (!pnode || !NLP_CHK_NODE_ACT(pnode))
return FAILED;
lpfc_cmd = lpfc_get_scsi_buf(phba);
@@ -3256,7 +3261,7 @@ lpfc_send_taskmgmt(struct lpfc_vport *vport, struct lpfc_rport_data *rdata,
"0702 Issue %s to TGT %d LUN %d "
"rpi x%x nlp_flag x%x\n",
lpfc_taskmgmt_name(task_mgmt_cmd), tgt_id, lun_id,
- rdata->pnode->nlp_rpi, rdata->pnode->nlp_flag);
+ pnode->nlp_rpi, pnode->nlp_flag);
status = lpfc_sli_issue_iocb_wait(phba, LPFC_FCP_RING,
iocbq, iocbqrsp, lpfc_cmd->timeout);