Hi.

The following patch makes drivers/scsi/blz1230.c check request_irq's
return code. It applies cleanly against 240p3 and ac9.

It also swaps two lines in an existing error path (esp_deallocate/
scsi_unregister) since this seems wrong.

Comments?


--- linux-ac9/drivers/scsi/blz1230.c.org        Sun Jan 14 19:58:47 2001
+++ linux-ac9/drivers/scsi/blz1230.c    Wed Jan 17 23:09:45 2001
@@ -88,13 +88,8 @@
 
                esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
                udelay(5);
-               if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7)){
-                       esp_deallocate(esp);
-                       scsi_unregister(esp->ehost);
-                       release_mem_region(board+REAL_BLZ1230_ESP_ADDR,
-                                          sizeof(struct ESP_regs));
-                       return 0; /* Bail out if address did not hold data */
-               }
+               if(esp_read(eregs->esp_cfg1) != (ESP_CONFIG1_PENABLE | 7))
+                       goto err_out;
 
                /* Do command transfer with programmed I/O */
                esp->do_pio_cmds = 1;
@@ -140,8 +135,9 @@
 
                esp->irq = IRQ_AMIGA_PORTS;
                esp->slot = board+REAL_BLZ1230_ESP_ADDR;
-               request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
-                           "Blizzard 1230 SCSI IV", esp_intr);
+               if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                                "Blizzard 1230 SCSI IV", esp_intr))
+                       goto err_out;
 
                /* Figure out our scsi ID on the bus */
                esp->scsi_id = 7;
@@ -156,6 +152,13 @@
                return esps_in_use;
            }
        }
+       return 0;
+ 
+ err_out:
+       scsi_unregister(esp->ehost);
+       esp_deallocate(esp);
+       release_mem_region(board+REAL_BLZ1230_ESP_ADDR,
+                          sizeof(struct ESP_regs));
        return 0;
 }
 
-- 
Regards,
        Rasmus([EMAIL PROTECTED])

Half this game is ninety percent mental.
-Philadelphia Phillies manager Danny Ozark
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