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[6/9] hw/ide/ahci: Convert AHCIState::ports to unsigned

Message ID 20240213081201.78951-7-philmd@linaro.org
State New
Headers show
Series hw/ide/ahci: Housekeeping | expand

Commit Message

Philippe Mathieu-Daudé Feb. 13, 2024, 8:11 a.m. UTC 
AHCIState::ports should be unsigned. Besides, we never
check it for negative value. It is unlikely it was ever
used with more than INT32_MAX ports, so it is safe to
convert it to unsigned.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/ide/ahci.h | 2 +-
 hw/ide/ahci.c         | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

Comments

Richard Henderson Feb. 13, 2024, 4:45 p.m. UTC | #1 
On 2/12/24 22:11, Philippe Mathieu-Daudé wrote:
> AHCIState::ports should be unsigned. Besides, we never
> check it for negative value. It is unlikely it was ever
> used with more than INT32_MAX ports, so it is safe to
> convert it to unsigned.
> 
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> ---
>   include/hw/ide/ahci.h | 2 +-
>   hw/ide/ahci.c         | 4 ++--
>   2 files changed, 3 insertions(+), 3 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/include/hw/ide/ahci.h b/include/hw/ide/ahci.h
index 8cd55b1333..604d3a0994 100644
--- a/include/hw/ide/ahci.h
+++ b/include/hw/ide/ahci.h
@@ -46,7 +46,7 @@  typedef struct AHCIState {
     MemoryRegion idp;       /* Index-Data Pair I/O port space */
     unsigned idp_offset;    /* Offset of index in I/O port space */
     uint32_t idp_index;     /* Current IDP index */
-    int32_t ports;
+    uint32_t ports;
     qemu_irq irq;
     AddressSpace *as;
 } AHCIState;
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index bac1871a31..2c3306dae4 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1819,7 +1819,7 @@  const VMStateDescription vmstate_ahci = {
     .version_id = 1,
     .post_load = ahci_state_post_load,
     .fields = (const VMStateField[]) {
-        VMSTATE_STRUCT_VARRAY_POINTER_INT32(dev, AHCIState, ports,
+        VMSTATE_STRUCT_VARRAY_POINTER_UINT32(dev, AHCIState, ports,
                                      vmstate_ahci_device, AHCIDevice),
         VMSTATE_UINT32(control_regs.cap, AHCIState),
         VMSTATE_UINT32(control_regs.ghc, AHCIState),
@@ -1827,7 +1827,7 @@  const VMStateDescription vmstate_ahci = {
         VMSTATE_UINT32(control_regs.impl, AHCIState),
         VMSTATE_UINT32(control_regs.version, AHCIState),
         VMSTATE_UINT32(idp_index, AHCIState),
-        VMSTATE_INT32_EQUAL(ports, AHCIState, NULL),
+        VMSTATE_UINT32_EQUAL(ports, AHCIState, NULL),
         VMSTATE_END_OF_LIST()
     },
 };