fix scsi/ppa.c

drivers/scsi/ppa.c

@@ -106,7 +106,7 @@ static Scsi_Host_Template driver_template = PPA;
 
 int ppa_detect(Scsi_Host_Template * host)
 {
-    struct Scsi_Host *hreg;
+    struct Scsi_Host *hreg = NULL;
     int ports;
     int i, nhosts, try_again;
     struct parport *pb;
@@ -148,7 +148,7 @@ int ppa_detect(Scsi_Host_Template * host)
 		      "pardevice is owning the port for too longtime!\n",
 			   i);
 		    parport_unregister_device(ppa_hosts[i].dev);
-		    spin_lock_irq(ppa_hosts[i].cur_cmd->host->host_lock);
+		    spin_lock_irq(ppa_hosts[i].cur_cmd->device->host->host_lock);
 		    return 0;
 		}
 	    }
@@ -635,7 +635,7 @@ static int ppa_init(int host_no)
 
 static inline int ppa_send_command(Scsi_Cmnd * cmd)
 {
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
     int k;
 
     w_ctr(PPA_BASE(host_no), 0x0c);
@@ -661,7 +661,7 @@ static int ppa_completion(Scsi_Cmnd * cmd)
      *  0     Told to schedule
      *  1     Finished data transfer
      */
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
     unsigned short ppb = PPA_BASE(host_no);
     unsigned long start_jiffies = jiffies;
 
@@ -752,7 +752,7 @@ static int ppa_completion(Scsi_Cmnd * cmd)
 int ppa_command(Scsi_Cmnd * cmd)
 {
     static int first_pass = 1;
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
 
     if (first_pass) {
 	printk("ppa: using non-queuing interface\n");
@@ -774,7 +774,7 @@ int ppa_command(Scsi_Cmnd * cmd)
 	schedule();
 
     if (cmd->SCp.phase)		/* Only disconnect if we have connected */
-	ppa_disconnect(cmd->host->unique_id);
+	ppa_disconnect(cmd->device->host->unique_id);
 
     ppa_pb_release(host_no);
     ppa_hosts[host_no].cur_cmd = 0;
@@ -836,21 +836,21 @@ static void ppa_interrupt(void *data)
 #endif
 
     if (cmd->SCp.phase > 1)
-	ppa_disconnect(cmd->host->unique_id);
+	ppa_disconnect(cmd->device->host->unique_id);
     if (cmd->SCp.phase > 0)
-	ppa_pb_release(cmd->host->unique_id);
+	ppa_pb_release(cmd->device->host->unique_id);
 
     tmp->cur_cmd = 0;
     
-    spin_lock_irqsave(cmd->host->host_lock, flags);
+    spin_lock_irqsave(cmd->device->host->host_lock, flags);
     cmd->scsi_done(cmd);
-    spin_unlock_irqrestore(cmd->host->host_lock, flags);
+    spin_unlock_irqrestore(cmd->device->host->host_lock, flags);
     return;
 }
 
 static int ppa_engine(ppa_struct * tmp, Scsi_Cmnd * cmd)
 {
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
     unsigned short ppb = PPA_BASE(host_no);
     unsigned char l = 0, h = 0;
     int retv;
@@ -900,7 +900,7 @@ static int ppa_engine(ppa_struct * tmp, Scsi_Cmnd * cmd)
 	}
 
     case 2:			/* Phase 2 - We are now talking to the scsi bus */
-	if (!ppa_select(host_no, cmd->target)) {
+	if (!ppa_select(host_no, cmd->device->id)) {
 	    ppa_fail(host_no, DID_NO_CONNECT);
 	    return 0;
 	}
@@ -966,7 +966,7 @@ static int ppa_engine(ppa_struct * tmp, Scsi_Cmnd * cmd)
 
 int ppa_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
 {
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
 
     if (ppa_hosts[host_no].cur_cmd) {
 	printk("PPA: bug in ppa_queuecommand\n");
@@ -1011,7 +1011,7 @@ int ppa_biosparam(struct scsi_device *sdev, struct block_device *dev,
 
 int ppa_abort(Scsi_Cmnd * cmd)
 {
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
     /*
      * There is no method for aborting commands since Iomega
      * have tied the SCSI_MESSAGE line high in the interface
@@ -1039,7 +1039,7 @@ static void ppa_reset_pulse(unsigned int base)
 
 int ppa_reset(Scsi_Cmnd * cmd)
 {
-    int host_no = cmd->host->unique_id;
+    int host_no = cmd->device->host->unique_id;
 
     if (cmd->SCp.phase)
 	ppa_disconnect(host_no);