[PATCH v2 01/20] hw/i386/pc: Use unsigned type to index arrays

[Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>]

Reviewed-by: Li Qiang <liq3ea@xxxxxxxxx>
Signed-off-by: Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
---
 hw/i386/pc.c         | 5 +++--
 include/hw/i386/pc.h | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 2c5446b095..bb3c74f4ca 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -874,7 +874,7 @@ static void handle_a20_line_change(void *opaque, int irq, int level)
 
 int e820_add_entry(uint64_t address, uint64_t length, uint32_t type)
 {
-    int index = le32_to_cpu(e820_reserve.count);
+    unsigned int index = le32_to_cpu(e820_reserve.count);
     struct e820_entry *entry;
 
     if (type != E820_RAM) {
@@ -906,7 +906,8 @@ int e820_get_num_entries(void)
     return e820_entries;
 }
 
-bool e820_get_entry(int idx, uint32_t type, uint64_t *address, uint64_t *length)
+bool e820_get_entry(unsigned int idx, uint32_t type,
+                    uint64_t *address, uint64_t *length)
 {
     if (idx < e820_entries && e820_table[idx].type == cpu_to_le32(type)) {
         *address = le64_to_cpu(e820_table[idx].address);
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index a7d0b87166..3b3a0d6e59 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -291,7 +291,7 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
 
 int e820_add_entry(uint64_t, uint64_t, uint32_t);
 int e820_get_num_entries(void);
-bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
+bool e820_get_entry(unsigned int, uint32_t, uint64_t *, uint64_t *);
 
 extern GlobalProperty pc_compat_4_0_1[];
 extern const size_t pc_compat_4_0_1_len;
-- 
2.20.1