qom: Have class_init() take a const data argument

Mechanical change using gsed, then style manually adapted
to pass checkpatch.pl script.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250424194905.82506-4-philmd@linaro.org>

21 files changed, 23 insertions, 22 deletions

diff --git a/backends/confidential-guest-support.c b/backends/confidential-guest-support.c
index 1cd9bed505..8ff7bfa857 100644
--- a/backends/confidential-guest-support.c
+++ b/backends/confidential-guest-support.c
@@ -20,7 +20,8 @@ OBJECT_DEFINE_ABSTRACT_TYPE(ConfidentialGuestSupport,
                             CONFIDENTIAL_GUEST_SUPPORT,
                             OBJECT)
 
-static void confidential_guest_support_class_init(ObjectClass *oc, void *data)
+static void confidential_guest_support_class_init(ObjectClass *oc,
+                                                  const void *data)
 {
 }
 
diff --git a/backends/cryptodev-builtin.c b/backends/cryptodev-builtin.c
index 764cee4311..0414c01e06 100644
--- a/backends/cryptodev-builtin.c
+++ b/backends/cryptodev-builtin.c
@@ -608,7 +608,7 @@ static void cryptodev_builtin_cleanup(
 }
 
 static void
-cryptodev_builtin_class_init(ObjectClass *oc, void *data)
+cryptodev_builtin_class_init(ObjectClass *oc, const void *data)
 {
     CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_CLASS(oc);
 
diff --git a/backends/cryptodev-lkcf.c b/backends/cryptodev-lkcf.c
index 352c3e8958..bb7a81d5d0 100644
--- a/backends/cryptodev-lkcf.c
+++ b/backends/cryptodev-lkcf.c
@@ -619,7 +619,7 @@ static int cryptodev_lkcf_close_session(CryptoDevBackend *backend,
     return 0;
 }
 
-static void cryptodev_lkcf_class_init(ObjectClass *oc, void *data)
+static void cryptodev_lkcf_class_init(ObjectClass *oc, const void *data)
 {
     CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_CLASS(oc);
 
diff --git a/backends/cryptodev-vhost-user.c b/backends/cryptodev-vhost-user.c
index 3295c6198a..cb04e68b02 100644
--- a/backends/cryptodev-vhost-user.c
+++ b/backends/cryptodev-vhost-user.c
@@ -393,7 +393,7 @@ static void cryptodev_vhost_user_finalize(Object *obj)
 }
 
 static void
-cryptodev_vhost_user_class_init(ObjectClass *oc, void *data)
+cryptodev_vhost_user_class_init(ObjectClass *oc, const void *data)
 {
     CryptoDevBackendClass *bc = CRYPTODEV_BACKEND_CLASS(oc);
 
diff --git a/backends/cryptodev.c b/backends/cryptodev.c
index 1187b08dac..51bbe5ce40 100644
--- a/backends/cryptodev.c
+++ b/backends/cryptodev.c
@@ -608,7 +608,7 @@ static void cryptodev_backend_schemas_cb(StatsSchemaList **result,
 }
 
 static void
-cryptodev_backend_class_init(ObjectClass *oc, void *data)
+cryptodev_backend_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
diff --git a/backends/dbus-vmstate.c b/backends/dbus-vmstate.c
index be6c4d8e0a..8c2deef43d 100644
--- a/backends/dbus-vmstate.c
+++ b/backends/dbus-vmstate.c
@@ -485,7 +485,7 @@ dbus_vmstate_get_id(VMStateIf *vmif)
 }
 
 static void
-dbus_vmstate_class_init(ObjectClass *oc, void *data)
+dbus_vmstate_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
     VMStateIfClass *vc = VMSTATE_IF_CLASS(oc);
diff --git a/backends/host_iommu_device.c b/backends/host_iommu_device.c
index cea76c6925..f6965e4027 100644
--- a/backends/host_iommu_device.c
+++ b/backends/host_iommu_device.c
@@ -17,7 +17,7 @@ OBJECT_DEFINE_ABSTRACT_TYPE(HostIOMMUDevice,
                             HOST_IOMMU_DEVICE,
                             OBJECT)
 
-static void host_iommu_device_class_init(ObjectClass *oc, void *data)
+static void host_iommu_device_class_init(ObjectClass *oc, const void *data)
 {
 }
 
diff --git a/backends/hostmem-epc.c b/backends/hostmem-epc.c
index 1fa2d031e4..ab20b18233 100644
--- a/backends/hostmem-epc.c
+++ b/backends/hostmem-epc.c
@@ -50,7 +50,7 @@ static void sgx_epc_backend_instance_init(Object *obj)
     m->dump = false;
 }
 
-static void sgx_epc_backend_class_init(ObjectClass *oc, void *data)
+static void sgx_epc_backend_class_init(ObjectClass *oc, const void *data)
 {
     HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
 
diff --git a/backends/hostmem-file.c b/backends/hostmem-file.c
index 691a827819..8e3219c061 100644
--- a/backends/hostmem-file.c
+++ b/backends/hostmem-file.c
@@ -270,7 +270,7 @@ static void file_backend_unparent(Object *obj)
 }
 
 static void
-file_backend_class_init(ObjectClass *oc, void *data)
+file_backend_class_init(ObjectClass *oc, const void *data)
 {
     HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
 
diff --git a/backends/hostmem-memfd.c b/backends/hostmem-memfd.c
index 85daa1432c..923239f9cf 100644
--- a/backends/hostmem-memfd.c
+++ b/backends/hostmem-memfd.c
@@ -133,7 +133,7 @@ memfd_backend_instance_init(Object *obj)
 }
 
 static void
-memfd_backend_class_init(ObjectClass *oc, void *data)
+memfd_backend_class_init(ObjectClass *oc, const void *data)
 {
     HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
 
diff --git a/backends/hostmem-ram.c b/backends/hostmem-ram.c
index 868ae6ca80..062b1abb11 100644
--- a/backends/hostmem-ram.c
+++ b/backends/hostmem-ram.c
@@ -37,7 +37,7 @@ ram_backend_memory_alloc(HostMemoryBackend *backend, Error **errp)
 }
 
 static void
-ram_backend_class_init(ObjectClass *oc, void *data)
+ram_backend_class_init(ObjectClass *oc, const void *data)
 {
     HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
 
diff --git a/backends/hostmem-shm.c b/backends/hostmem-shm.c
index f67ad2740b..f66211a2ec 100644
--- a/backends/hostmem-shm.c
+++ b/backends/hostmem-shm.c
@@ -69,7 +69,7 @@ shm_backend_instance_init(Object *obj)
 }
 
 static void
-shm_backend_class_init(ObjectClass *oc, void *data)
+shm_backend_class_init(ObjectClass *oc, const void *data)
 {
     HostMemoryBackendClass *bc = MEMORY_BACKEND_CLASS(oc);
 
diff --git a/backends/hostmem.c b/backends/hostmem.c
index bceca1a8d9..195f37fa44 100644
--- a/backends/hostmem.c
+++ b/backends/hostmem.c
@@ -501,7 +501,7 @@ host_memory_backend_set_use_canonical_path(Object *obj, bool value,
 }
 
 static void
-host_memory_backend_class_init(ObjectClass *oc, void *data)
+host_memory_backend_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
diff --git a/backends/iommufd.c b/backends/iommufd.c
index d57da44755..17f7ae3809 100644
--- a/backends/iommufd.c
+++ b/backends/iommufd.c
@@ -64,7 +64,7 @@ static bool iommufd_backend_can_be_deleted(UserCreatable *uc)
     return !be->users;
 }
 
-static void iommufd_backend_class_init(ObjectClass *oc, void *data)
+static void iommufd_backend_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
@@ -326,7 +326,7 @@ static int hiod_iommufd_get_cap(HostIOMMUDevice *hiod, int cap, Error **errp)
     }
 }
 
-static void hiod_iommufd_class_init(ObjectClass *oc, void *data)
+static void hiod_iommufd_class_init(ObjectClass *oc, const void *data)
 {
     HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc);
 
diff --git a/backends/rng-builtin.c b/backends/rng-builtin.c
index 4cfa7e578b..41b7bfaa27 100644
--- a/backends/rng-builtin.c
+++ b/backends/rng-builtin.c
@@ -55,7 +55,7 @@ static void rng_builtin_finalize(Object *obj)
     qemu_bh_delete(s->bh);
 }
 
-static void rng_builtin_class_init(ObjectClass *klass, void *data)
+static void rng_builtin_class_init(ObjectClass *klass, const void *data)
 {
     RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);
 
diff --git a/backends/rng-egd.c b/backends/rng-egd.c
index 82da46365d..9fd3393ede 100644
--- a/backends/rng-egd.c
+++ b/backends/rng-egd.c
@@ -143,7 +143,7 @@ static void rng_egd_finalize(Object *obj)
     g_free(s->chr_name);
 }
 
-static void rng_egd_class_init(ObjectClass *klass, void *data)
+static void rng_egd_class_init(ObjectClass *klass, const void *data)
 {
     RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);
 
diff --git a/backends/rng-random.c b/backends/rng-random.c
index 3ce6cc9b4a..820bf48c9b 100644
--- a/backends/rng-random.c
+++ b/backends/rng-random.c
@@ -121,7 +121,7 @@ static void rng_random_finalize(Object *obj)
     g_free(s->filename);
 }
 
-static void rng_random_class_init(ObjectClass *klass, void *data)
+static void rng_random_class_init(ObjectClass *klass, const void *data)
 {
     RngBackendClass *rbc = RNG_BACKEND_CLASS(klass);
 
diff --git a/backends/rng.c b/backends/rng.c
index 1f6fb106ae..b3480d27a1 100644
--- a/backends/rng.c
+++ b/backends/rng.c
@@ -99,7 +99,7 @@ static void rng_backend_finalize(Object *obj)
     rng_backend_free_requests(s);
 }
 
-static void rng_backend_class_init(ObjectClass *oc, void *data)
+static void rng_backend_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
diff --git a/backends/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c
index 00fe015a94..43d350e895 100644
--- a/backends/tpm/tpm_emulator.c
+++ b/backends/tpm/tpm_emulator.c
@@ -1056,7 +1056,7 @@ static void tpm_emulator_inst_finalize(Object *obj)
     vmstate_unregister(NULL, &vmstate_tpm_emulator, obj);
 }
 
-static void tpm_emulator_class_init(ObjectClass *klass, void *data)
+static void tpm_emulator_class_init(ObjectClass *klass, const void *data)
 {
     TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
 
diff --git a/backends/tpm/tpm_passthrough.c b/backends/tpm/tpm_passthrough.c
index 09a6abf02d..b7c7074c2a 100644
--- a/backends/tpm/tpm_passthrough.c
+++ b/backends/tpm/tpm_passthrough.c
@@ -364,7 +364,7 @@ static void tpm_passthrough_inst_finalize(Object *obj)
     qapi_free_TPMPassthroughOptions(tpm_pt->options);
 }
 
-static void tpm_passthrough_class_init(ObjectClass *klass, void *data)
+static void tpm_passthrough_class_init(ObjectClass *klass, const void *data)
 {
     TPMBackendClass *tbc = TPM_BACKEND_CLASS(klass);
 
diff --git a/backends/vhost-user.c b/backends/vhost-user.c
index d0e4d71a63..94274a619d 100644
--- a/backends/vhost-user.c
+++ b/backends/vhost-user.c
@@ -163,7 +163,7 @@ static char *get_chardev(Object *obj, Error **errp)
     return NULL;
 }
 
-static void vhost_user_backend_class_init(ObjectClass *oc, void *data)
+static void vhost_user_backend_class_init(ObjectClass *oc, const void *data)
 {
     object_class_property_add_str(oc, "chardev", get_chardev, set_chardev);
 }