ide: Make ide_init_drive() return success

It still always succeeds.  The next commits will add failures.
Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

hw/ide/core.c

@@ -26,6 +26,7 @@
 #include <hw/pc.h>
 #include <hw/pci.h>
 #include <hw/scsi.h>
+#include "qemu-error.h"
 #include "qemu-timer.h"
 #include "sysemu.h"
 #include "dma.h"
@@ -2594,8 +2595,8 @@ void ide_bus_reset(IDEBus *bus)
     ide_clear_hob(bus);
 }
 
-void ide_init_drive(IDEState *s, BlockDriverState *bs,
-                    const char *version, const char *serial)
+int ide_init_drive(IDEState *s, BlockDriverState *bs,
+                   const char *version, const char *serial)
 {
     int cylinders, heads, secs;
     uint64_t nb_sectors;
@@ -2630,6 +2631,7 @@ void ide_init_drive(IDEState *s, BlockDriverState *bs,
     }
     ide_reset(s);
     bdrv_set_removable(bs, s->drive_kind == IDE_CD);
+    return 0;
 }
 
 static void ide_init1(IDEBus *bus, int unit)
@@ -2669,8 +2671,11 @@ void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
         dinfo = i == 0 ? hd0 : hd1;
         ide_init1(bus, i);
         if (dinfo) {
-            ide_init_drive(&bus->ifs[i], dinfo->bdrv, NULL,
-                           *dinfo->serial ? dinfo->serial : NULL);
+            if (ide_init_drive(&bus->ifs[i], dinfo->bdrv, NULL,
+                               *dinfo->serial ? dinfo->serial : NULL) < 0) {
+                error_report("Can't set up IDE drive %s", dinfo->id);
+                exit(1);
+            }
         } else {
             ide_reset(&bus->ifs[i]);
         }

hw/ide/internal.h

@@ -556,8 +556,8 @@ uint32_t ide_data_readw(void *opaque, uint32_t addr);
 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);
 uint32_t ide_data_readl(void *opaque, uint32_t addr);
 
-void ide_init_drive(IDEState *s, BlockDriverState *bs,
-                    const char *version, const char *serial);
+int ide_init_drive(IDEState *s, BlockDriverState *bs,
+                   const char *version, const char *serial);
 void ide_init2(IDEBus *bus, qemu_irq irq);
 void ide_init2_with_non_qdev_drives(IDEBus *bus, DriveInfo *hd0,
                                     DriveInfo *hd1, qemu_irq irq);

hw/ide/qdev.c

@@ -118,7 +118,9 @@ static int ide_drive_initfn(IDEDevice *dev)
         }
     }
 
-    ide_init_drive(s, dev->conf.bs, dev->version, serial);
+    if (ide_init_drive(s, dev->conf.bs, dev->version, serial) < 0) {
+        return -1;
+    }
 
     if (!dev->version) {
         dev->version = qemu_strdup(s->version);