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-rw-r--r--hw/ide.c2
-rw-r--r--hw/ppc_newworld.c2
-rw-r--r--hw/ppc_oldworld.c2
-rw-r--r--hw/rtl8139.c4
-rw-r--r--hw/sysbus.c2
5 files changed, 6 insertions, 6 deletions
diff --git a/hw/ide.c b/hw/ide.c
index 2eea43835c..6cf04a6b89 100644
--- a/hw/ide.c
+++ b/hw/ide.c
@@ -4411,7 +4411,7 @@ PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv)
     md->card.cis = dscm1xxxx_cis;
     md->card.cis_len = sizeof(dscm1xxxx_cis);
 
-    ide_init2(md->ide, bdrv, 0, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
+    ide_init2(md->ide, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]);
     md->ide->is_cf = 1;
     md->ide->mdata_size = METADATA_SIZE;
     md->ide->mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE);
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index 2a350eb8c5..cfeddabbdd 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -195,7 +195,7 @@ static void ppc_core99_init (ram_addr_t ram_size,
         kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
         if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
             kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
-                                   NULL, 0, NULL);
+                                   NULL, NULL, NULL);
         }
         if (kernel_size < 0)
             kernel_size = load_aout(kernel_filename, kernel_base,
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index 7931f44088..06e014195e 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -227,7 +227,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
         kernel_size = load_elf(kernel_filename, kernel_base, NULL, &lowaddr, NULL);
         if (kernel_size > 0 && lowaddr != KERNEL_LOAD_ADDR) {
             kernel_size = load_elf(kernel_filename, (2 * kernel_base) - lowaddr,
-                                   NULL, 0, NULL);
+                                   NULL, NULL, NULL);
         }
         if (kernel_size < 0)
             kernel_size = load_aout(kernel_filename, kernel_base,
diff --git a/hw/rtl8139.c b/hw/rtl8139.c
index 91165dbff4..fcd6d956db 100644
--- a/hw/rtl8139.c
+++ b/hw/rtl8139.c
@@ -2090,12 +2090,12 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s)
             #define ETH_MTU     1500
 
             /* ip packet header */
-            ip_header *ip = 0;
+            ip_header *ip = NULL;
             int hlen = 0;
             uint8_t  ip_protocol = 0;
             uint16_t ip_data_len = 0;
 
-            uint8_t *eth_payload_data = 0;
+            uint8_t *eth_payload_data = NULL;
             size_t   eth_payload_len  = 0;
 
             int proto = be16_to_cpu(*(uint16_t *)(saved_buffer + 12));
diff --git a/hw/sysbus.c b/hw/sysbus.c
index 814d347037..269be772b7 100644
--- a/hw/sysbus.c
+++ b/hw/sysbus.c
@@ -32,7 +32,7 @@ struct BusInfo system_bus_info = {
 void sysbus_connect_irq(SysBusDevice *dev, int n, qemu_irq irq)
 {
     assert(n >= 0 && n < dev->num_irq);
-    dev->irqs[n] = 0;
+    dev->irqs[n] = NULL;
     if (dev->irqp[n]) {
         *dev->irqp[n] = irq;
     }