[PATCH v2 02/20] hw/i386/pc: Use size_t type to hold/return a size of array

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

Reviewed-by: Li Qiang <liq3ea@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/i386/pc.c         | 4 ++--
 include/hw/i386/pc.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index bb3c74f4ca..ff0f6bbbb3 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -105,7 +105,7 @@ struct e820_table {
 
 static struct e820_table e820_reserve;
 static struct e820_entry *e820_table;
-static unsigned e820_entries;
+static size_t e820_entries;
 struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
 
 /* Physical Address of PVH entry point read from kernel ELF NOTE */
@@ -901,7 +901,7 @@ int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
     return e820_entries;
 }
 
-int e820_get_num_entries(void)
+size_t e820_get_num_entries(void)
 {
     return e820_entries;
 }
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 3b3a0d6e59..fc29893624 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -290,7 +290,7 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
 #define E820_UNUSABLE   5
 
 int e820_add_entry(uint64_t, uint64_t, uint32_t);
-int e820_get_num_entries(void);
+size_t e820_get_num_entries(void);
 bool e820_get_entry(unsigned int, uint32_t, uint64_t *, uint64_t *);
 
 extern GlobalProperty pc_compat_4_0_1[];
-- 
2.20.1