hw/misc/macio: Return bool from functions taking errp

Use the convention to return bool from functions which take an error
pointer which allows for callers to pass through their error pointer
without needing a local.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <bfce0751e82b031f5e6fb3c32cfbce6325434400.1674001242.git.balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

1 files changed, 25 insertions, 37 deletions

diff --git a/hw/misc/macio/macio.c b/hw/misc/macio/macio.c
index ae2a9a9..265c0bb 100644
--- a/hw/misc/macio/macio.c
+++ b/hw/misc/macio/macio.c
@@ -90,13 +90,13 @@ static void macio_bar_setup(MacIOState *s)
     macio_escc_legacy_setup(s);
 }
 
-static void macio_common_realize(PCIDevice *d, Error **errp)
+static bool macio_common_realize(PCIDevice *d, Error **errp)
 {
     MacIOState *s = MACIO(d);
     SysBusDevice *sbd;
 
     if (!qdev_realize(DEVICE(&s->dbdma), BUS(&s->macio_bus), errp)) {
-        return;
+        return false;
     }
     sbd = SYS_BUS_DEVICE(&s->dbdma);
     memory_region_add_subregion(&s->bar, 0x08000,
@@ -108,14 +108,16 @@ static void macio_common_realize(PCIDevice *d, Error **errp)
     qdev_prop_set_uint32(DEVICE(&s->escc), "chnBtype", escc_serial);
     qdev_prop_set_uint32(DEVICE(&s->escc), "chnAtype", escc_serial);
     if (!qdev_realize(DEVICE(&s->escc), BUS(&s->macio_bus), errp)) {
-        return;
+        return false;
     }
 
     macio_bar_setup(s);
     pci_register_bar(d, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->bar);
+
+    return true;
 }
 
-static void macio_realize_ide(MacIOState *s, MACIOIDEState *ide,
+static bool macio_realize_ide(MacIOState *s, MACIOIDEState *ide,
                               qemu_irq irq0, qemu_irq irq1, int dmaid,
                               Error **errp)
 {
@@ -128,7 +130,7 @@ static void macio_realize_ide(MacIOState *s, MACIOIDEState *ide,
                              &error_abort);
     macio_ide_register_dma(ide);
 
-    qdev_realize(DEVICE(ide), BUS(&s->macio_bus), errp);
+    return qdev_realize(DEVICE(ide), BUS(&s->macio_bus), errp);
 }
 
 static void macio_oldworld_realize(PCIDevice *d, Error **errp)
@@ -136,12 +138,9 @@ static void macio_oldworld_realize(PCIDevice *d, Error **errp)
     MacIOState *s = MACIO(d);
     OldWorldMacIOState *os = OLDWORLD_MACIO(d);
     DeviceState *pic_dev = DEVICE(&os->pic);
-    Error *err = NULL;
     SysBusDevice *sbd;
 
-    macio_common_realize(d, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_common_realize(d, errp)) {
         return;
     }
 
@@ -176,21 +175,17 @@ static void macio_oldworld_realize(PCIDevice *d, Error **errp)
     pmac_format_nvram_partition(&os->nvram, os->nvram.size);
 
     /* IDE buses */
-    macio_realize_ide(s, &os->ide[0],
-                      qdev_get_gpio_in(pic_dev, OLDWORLD_IDE0_IRQ),
-                      qdev_get_gpio_in(pic_dev, OLDWORLD_IDE0_DMA_IRQ),
-                      0x16, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_realize_ide(s, &os->ide[0],
+                           qdev_get_gpio_in(pic_dev, OLDWORLD_IDE0_IRQ),
+                           qdev_get_gpio_in(pic_dev, OLDWORLD_IDE0_DMA_IRQ),
+                           0x16, errp)) {
         return;
     }
 
-    macio_realize_ide(s, &os->ide[1],
-                      qdev_get_gpio_in(pic_dev, OLDWORLD_IDE1_IRQ),
-                      qdev_get_gpio_in(pic_dev, OLDWORLD_IDE1_DMA_IRQ),
-                      0x1a, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_realize_ide(s, &os->ide[1],
+                           qdev_get_gpio_in(pic_dev, OLDWORLD_IDE1_IRQ),
+                           qdev_get_gpio_in(pic_dev, OLDWORLD_IDE1_DMA_IRQ),
+                           0x1a, errp)) {
         return;
     }
 }
@@ -266,13 +261,10 @@ static void macio_newworld_realize(PCIDevice *d, Error **errp)
     MacIOState *s = MACIO(d);
     NewWorldMacIOState *ns = NEWWORLD_MACIO(d);
     DeviceState *pic_dev = DEVICE(&ns->pic);
-    Error *err = NULL;
     SysBusDevice *sbd;
     MemoryRegion *timer_memory = NULL;
 
-    macio_common_realize(d, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_common_realize(d, errp)) {
         return;
     }
 
@@ -288,21 +280,17 @@ static void macio_newworld_realize(PCIDevice *d, Error **errp)
     sysbus_connect_irq(sbd, 1, qdev_get_gpio_in(pic_dev, NEWWORLD_ESCCA_IRQ));
 
     /* IDE buses */
-    macio_realize_ide(s, &ns->ide[0],
-                      qdev_get_gpio_in(pic_dev, NEWWORLD_IDE0_IRQ),
-                      qdev_get_gpio_in(pic_dev, NEWWORLD_IDE0_DMA_IRQ),
-                      0x16, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_realize_ide(s, &ns->ide[0],
+                           qdev_get_gpio_in(pic_dev, NEWWORLD_IDE0_IRQ),
+                           qdev_get_gpio_in(pic_dev, NEWWORLD_IDE0_DMA_IRQ),
+                           0x16, errp)) {
         return;
     }
 
-    macio_realize_ide(s, &ns->ide[1],
-                      qdev_get_gpio_in(pic_dev, NEWWORLD_IDE1_IRQ),
-                      qdev_get_gpio_in(pic_dev, NEWWORLD_IDE1_DMA_IRQ),
-                      0x1a, &err);
-    if (err) {
-        error_propagate(errp, err);
+    if (!macio_realize_ide(s, &ns->ide[1],
+                           qdev_get_gpio_in(pic_dev, NEWWORLD_IDE1_IRQ),
+                           qdev_get_gpio_in(pic_dev, NEWWORLD_IDE1_DMA_IRQ),
+                           0x1a, errp)) {
         return;
     }