[SCSI] lpfc 8.3.42: Fixed using unsafe linked list macro for walking and deleting linked list
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index bc27063..de5a1b0 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -1249,7 +1249,7 @@
struct lpfc_hba *phba = vport->phba;
struct get_ct_event *event_req;
struct get_ct_event_reply *event_reply;
- struct lpfc_bsg_event *evt;
+ struct lpfc_bsg_event *evt, *evt_next;
struct event_data *evt_dat = NULL;
unsigned long flags;
uint32_t rc = 0;
@@ -1269,7 +1269,7 @@
event_reply = (struct get_ct_event_reply *)
job->reply->reply_data.vendor_reply.vendor_rsp;
spin_lock_irqsave(&phba->ct_ev_lock, flags);
- list_for_each_entry(evt, &phba->ct_ev_waiters, node) {
+ list_for_each_entry_safe(evt, evt_next, &phba->ct_ev_waiters, node) {
if (evt->reg_id == event_req->ev_reg_id) {
if (list_empty(&evt->events_to_get))
break;
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 0392e11..d8fd731 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -15808,7 +15808,7 @@
void
lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
{
- struct lpfc_fcf_pri *fcf_pri;
+ struct lpfc_fcf_pri *fcf_pri, *fcf_pri_next;
if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
"2762 FCF (x%x) reached driver's book "
@@ -15818,7 +15818,8 @@
}
/* Clear the eligible FCF record index bmask */
spin_lock_irq(&phba->hbalock);
- list_for_each_entry(fcf_pri, &phba->fcf.fcf_pri_list, list) {
+ list_for_each_entry_safe(fcf_pri, fcf_pri_next, &phba->fcf.fcf_pri_list,
+ list) {
if (fcf_pri->fcf_rec.fcf_index == fcf_index) {
list_del_init(&fcf_pri->list);
break;