X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fieee1394%2Fsbp2.c;h=f4206604db0378fb33fda046cb403f4a346cdb45;hb=ef7a4567dc542d8cc563755478464ea928fede41;hp=2c765ca5aa5065a391fdbbf68b47ae9461a02470;hpb=c0e4077c946104e5d8a62f835dcdca5c79c8af7d;p=powerpc.git

diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 2c765ca5aa..f4206604db 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -496,22 +496,17 @@ static struct sbp2_command_info *sbp2util_find_command_for_orb(
 /*
  * This function finds the sbp2_command for a given outstanding SCpnt.
  * Only looks at the inuse list.
+ * Must be called with scsi_id->sbp2_command_orb_lock held.
  */
-static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt)
+static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(
+		struct scsi_id_instance_data *scsi_id, void *SCpnt)
 {
 	struct sbp2_command_info *command;
-	unsigned long flags;
 
-	spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
-	if (!list_empty(&scsi_id->sbp2_command_orb_inuse)) {
-		list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list) {
-			if (command->Current_SCpnt == SCpnt) {
-				spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
+	if (!list_empty(&scsi_id->sbp2_command_orb_inuse))
+		list_for_each_entry(command, &scsi_id->sbp2_command_orb_inuse, list)
+			if (command->Current_SCpnt == SCpnt)
 				return command;
-			}
-		}
-	}
-	spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
 	return NULL;
 }
 
@@ -580,17 +575,15 @@ static void sbp2util_free_command_dma(struct sbp2_command_info *command)
 
 /*
  * This function moves a command to the completed orb list.
+ * Must be called with scsi_id->sbp2_command_orb_lock held.
  */
-static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id,
-					    struct sbp2_command_info *command)
+static void sbp2util_mark_command_completed(
+		struct scsi_id_instance_data *scsi_id,
+		struct sbp2_command_info *command)
 {
-	unsigned long flags;
-
-	spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
 	list_del(&command->list);
 	sbp2util_free_command_dma(command);
 	list_add_tail(&command->list, &scsi_id->sbp2_command_orb_completed);
-	spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
 }
 
 /*
@@ -2148,7 +2141,9 @@ static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int dest
 		 * Matched status with command, now grab scsi command pointers and check status
 		 */
 		SCpnt = command->Current_SCpnt;
+		spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
 		sbp2util_mark_command_completed(scsi_id, command);
+		spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
 
 		if (SCpnt) {
 
@@ -2484,6 +2479,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
 		(struct scsi_id_instance_data *)SCpnt->device->host->hostdata[0];
 	struct sbp2scsi_host_info *hi = scsi_id->hi;
 	struct sbp2_command_info *command;
+	unsigned long flags;
 
 	SBP2_ERR("aborting sbp2 command");
 	scsi_print_command(SCpnt);
@@ -2494,6 +2490,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
 		 * Right now, just return any matching command structures
 		 * to the free pool.
 		 */
+		spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
 		command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt);
 		if (command) {
 			SBP2_DEBUG("Found command to abort");
@@ -2511,6 +2508,7 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
 				command->Current_done(command->Current_SCpnt);
 			}
 		}
+		spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
 
 		/*
 		 * Initiate a fetch agent reset.