Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (97 commits)
  [SCSI] zfcp: removed wrong comment
  [SCSI] zfcp: use of uninitialized variable
  [SCSI] zfcp: Invalid locking order
  [SCSI] aic79xx: use dma_get_required_mask()
  [SCSI] aic79xx: fix bracket mismatch in unused macro
  [SCSI] BusLogic: Replace 'boolean' by 'bool'
  [SCSI] advansys: clean up warnings
  [SCSI] 53c7xx: brackets fix in uncompiled code
  [SCSI] nsp_cs: remove old scsi code
  [SCSI] aic79xx: make ahd_match_scb() static
  [SCSI] DAC960: kmalloc->kzalloc/Casting cleanups
  [SCSI] scsi_kmap_atomic_sg(): check that local irqs are disabled
  [SCSI] Buslogic: local_irq_disable() is redundant after local_irq_save()
  [SCSI] aic94xx: update for v28 firmware
  [SCSI] scsi_error: Fix lost EH commands
  [SCSI] aic94xx: Add default bus reset handler
  [SCSI] aic94xx: Remove TMF result code munging
  [SCSI] libsas: Add an LU reset mechanism to the error handler
  [SCSI] libsas: Don't BUG when connecting two expanders via wide port
  [SCSI] st: fix Tape dies if wrong block size used, bug 7919
  ...

3 files changed, 19 insertions, 28 deletions

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 88642dec080..421da1e7c0e 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -838,32 +838,28 @@ zfcp_erp_action_exists(struct zfcp_erp_action *erp_action)
  *		and does appropriate preparations (dismiss fsf request, ...)
  *
  * locks:	called under erp_lock (disabled interrupts)
- *
- * returns:	0
  */
-static int
+static void
 zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 {
-	int retval = 0;
-	struct zfcp_fsf_req *fsf_req = NULL;
 	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	if (erp_action->fsf_req) {
 		/* take lock to ensure that request is not deleted meanwhile */
 		spin_lock(&adapter->req_list_lock);
-		if ((!zfcp_reqlist_ismember(adapter,
-					    erp_action->fsf_req->req_id)) &&
-		    (fsf_req->erp_action == erp_action)) {
+		if (zfcp_reqlist_ismember(adapter,
+					    erp_action->fsf_req->req_id)) {
 			/* fsf_req still exists */
 			debug_text_event(adapter->erp_dbf, 3, "a_ca_req");
-			debug_event(adapter->erp_dbf, 3, &fsf_req,
+			debug_event(adapter->erp_dbf, 3, &erp_action->fsf_req,
 				    sizeof (unsigned long));
 			/* dismiss fsf_req of timed out/dismissed erp_action */
 			if (erp_action->status & (ZFCP_STATUS_ERP_DISMISSED |
 						  ZFCP_STATUS_ERP_TIMEDOUT)) {
 				debug_text_event(adapter->erp_dbf, 3,
 						 "a_ca_disreq");
-				fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED;
+				erp_action->fsf_req->status |=
+					ZFCP_STATUS_FSFREQ_DISMISSED;
 			}
 			if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
 				ZFCP_LOG_NORMAL("error: erp step timed out "
@@ -876,11 +872,11 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 			 * then keep it running asynchronously and don't mess
 			 * with the association of erp_action and fsf_req.
 			 */
-			if (fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED |
+			if (erp_action->fsf_req->status &
+					(ZFCP_STATUS_FSFREQ_COMPLETED |
 					       ZFCP_STATUS_FSFREQ_DISMISSED)) {
 				/* forget about association between fsf_req
 				   and erp_action */
-				fsf_req->erp_action = NULL;
 				erp_action->fsf_req = NULL;
 			}
 		} else {
@@ -894,8 +890,6 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 		spin_unlock(&adapter->req_list_lock);
 	} else
 		debug_text_event(adapter->erp_dbf, 3, "a_ca_noreq");
-
-	return retval;
 }
 
 /**
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index cda0cc095ad..01386ac688a 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -89,7 +89,7 @@ extern int  zfcp_fsf_control_file(struct zfcp_adapter *, struct zfcp_fsf_req **,
 				  u32, u32, struct zfcp_sg_list *);
 extern void zfcp_fsf_start_timer(struct zfcp_fsf_req *, unsigned long);
 extern void zfcp_erp_start_timer(struct zfcp_fsf_req *);
-extern int  zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
+extern void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *);
 extern int  zfcp_fsf_status_read(struct zfcp_adapter *, int);
 extern int zfcp_fsf_req_create(struct zfcp_adapter *, u32, int, mempool_t *,
 			       unsigned long *, struct zfcp_fsf_req **);
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 4b3ae3f22e7..ef16f7ca4bb 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -176,28 +176,25 @@ static void zfcp_fsf_req_dismiss(struct zfcp_adapter *adapter,
 /**
  * zfcp_fsf_req_dismiss_all - dismiss all remaining fsf requests
  */
-int zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter)
+void zfcp_fsf_req_dismiss_all(struct zfcp_adapter *adapter)
 {
 	struct zfcp_fsf_req *request, *tmp;
 	unsigned long flags;
+	LIST_HEAD(remove_queue);
 	unsigned int i, counter;
 
 	spin_lock_irqsave(&adapter->req_list_lock, flags);
 	atomic_set(&adapter->reqs_active, 0);
-	for (i=0; i<REQUEST_LIST_SIZE; i++) {
-		if (list_empty(&adapter->req_list[i]))
-			continue;
-
-		counter = 0;
-		list_for_each_entry_safe(request, tmp,
-					 &adapter->req_list[i], list) {
-			zfcp_fsf_req_dismiss(adapter, request, counter);
-			counter++;
-		}
-	}
+	for (i=0; i<REQUEST_LIST_SIZE; i++)
+		list_splice_init(&adapter->req_list[i], &remove_queue);
+
 	spin_unlock_irqrestore(&adapter->req_list_lock, flags);
 
-	return 0;
+	counter = 0;
+	list_for_each_entry_safe(request, tmp, &remove_queue, list) {
+		zfcp_fsf_req_dismiss(adapter, request, counter);
+		counter++;
+	}
 }
 
 /*