Since commit cc5e719e2c8 ("kvm: require KVM_CAP_SIGNAL_MSI"),
its_class_name() single implementation doesn't return NULL
anymore. Update the prototype docstring, and remove the
pointless checks.

Reported-by: Gustavo Romero <gustavo.romero@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/intc/arm_gicv3_its_common.h | 2 +-
 hw/arm/virt-acpi-build.c               | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/hw/intc/arm_gicv3_its_common.h b/include/hw/intc/arm_gicv3_its_common.h
index 7dc712b38d2..3c7b543b018 100644
--- a/include/hw/intc/arm_gicv3_its_common.h
+++ b/include/hw/intc/arm_gicv3_its_common.h
@@ -128,7 +128,7 @@ struct GICv3ITSCommonClass {
  * Return the ITS class name to use depending on whether KVM acceleration
  * and KVM CAP_SIGNAL_MSI are supported
  *
- * Returns: class name to use or NULL
+ * Returns: class name to use
  */
 const char *its_class_name(void);
 
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 3ac8f8e1786..9b7fc99f170 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -741,7 +741,7 @@ build_madt(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
                                           memmap[VIRT_HIGH_GIC_REDIST2].size);
         }
 
-        if (its_class_name() && !vmc->no_its) {
+        if (!vmc->no_its) {
             /*
              * ACPI spec, Revision 6.0 Errata A
              * (original 6.0 definition has invalid Length)
@@ -973,7 +973,7 @@ void virt_acpi_build(VirtMachineState *vms, AcpiBuildTables *tables)
                           vms->oem_table_id);
     }
 
-    if (its_class_name() && !vmc->no_its) {
+    if (!vmc->no_its) {
         acpi_add_table(table_offsets, tables_blob);
         build_iort(tables_blob, tables->linker, vms);
     }
-- 
2.47.1

On 4/3/25 08:18, Philippe Mathieu-Daudé wrote:
> Since commit cc5e719e2c8 ("kvm: require KVM_CAP_SIGNAL_MSI"),
> its_class_name() single implementation doesn't return NULL
> anymore. Update the prototype docstring, and remove the
> pointless checks.
> 
> Reported-by: Gustavo Romero<gustavo.romero@linaro.org>
> Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org>
> ---
>   include/hw/intc/arm_gicv3_its_common.h | 2 +-
>   hw/arm/virt-acpi-build.c               | 4 ++--
>   2 files changed, 3 insertions(+), 3 deletions(-)


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

r~