[SCSI] lpfc 8.1.12 : Round 2 of Miscellaneous fixes

Round 2 of Miscellaneous fixes:
 - Ensure we don't prematurely re-enable IRQs in lpfc_sli_abort_fcp_cmpl().
 - Prevent freeing of iocb after IOCB_TIMEDOUT error.
 - Added code to cleanup REG_LOGIN mailbox command when a LOGO is received.
 - Fix offline window where more work can sneak in after clearing work_ha
 - Use target reset instead of LU reset in bus_device_reset_handler
 - Fixed system hangs due to leaked host_lock.
 - Fixed NULL pointer dereference during I/O with LIP.
 - Fixed false iocb timeout.
 - Fixed name server query response handling.
 - Change rport dev_loss_tmo value when user change lpfc HBA's dev_loss_tmo.
 - Fixed a memory leak in lpfc_sli_wake_mbox_wait.
 - Fixed check for dropped frames.
 - Removed hba queue depth calculation based on device PCI IDs
 - Change min cr_count value specified in comment to agree with setting

Signed-off-by: James Smart <James.Smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 14266dfb35db..4d9e7f50c189 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3214,7 +3214,7 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba)
         IOCB_t *cmd = NULL;
         struct lpfc_dmabuf *pcmd;
         uint32_t *elscmd;
-        uint32_t els_command;
+        uint32_t els_command=0;
         uint32_t timeout;
         uint32_t remote_ID;
 
@@ -3233,12 +3233,16 @@ lpfc_els_timeout_handler(struct lpfc_hba *phba)
         list_for_each_entry_safe(piocb, tmp_iocb, &pring->txcmplq, list) {
                 cmd = &piocb->iocb;
 
-                if (piocb->iocb_flag & LPFC_IO_LIBDFC) {
+                if ((piocb->iocb_flag & LPFC_IO_LIBDFC) ||
+                        (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN) ||
+                        (piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN)) {
                         continue;
                 }
                 pcmd = (struct lpfc_dmabuf *) piocb->context2;
-                elscmd = (uint32_t *) (pcmd->virt);
-                els_command = *elscmd;
+                if (pcmd) {
+                        elscmd = (uint32_t *) (pcmd->virt);
+                        els_command = *elscmd;
+                }
 
                 if ((els_command == ELS_CMD_FARP)
                     || (els_command == ELS_CMD_FARPR)) {