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bh=aKfie8HDs4Bj5KUMmmQqgBylUh0kwLqLFFOC3bbKRvM=; b=fRAnxD3Ub6pzjv29yKVh2dosIb7WTTT8zVqZP20sEqS3gvWu5RdAp+t0SLorOaxX5lZSOE ZszxAYOOrnYVy5dzFrzciU3MadsRu7AAAnUJp69JkImGeukzwkpZEpD+Vg0SAkwyyojotC 2L417rgqRtTXzhSKguvXBysUb6pam2Y= X-MC-Unique: dAkDbgt9PIazjzmsM9gTzg-1 From: Eduardo Habkost To: qemu-devel@nongnu.org Subject: [PATCH v3 31/53] qdev: Avoid unnecessary DeviceState* variable at set_prop_arraylen() Date: Thu, 12 Nov 2020 16:43:28 -0500 Message-Id: <20201112214350.872250-32-ehabkost@redhat.com> In-Reply-To: <20201112214350.872250-1-ehabkost@redhat.com> References: <20201112214350.872250-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/12 16:09:27 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , "Daniel P. Berrange" , John Snow , Markus Armbruster , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , Igor Mammedov , Stefan Berger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) We're just doing pointer math with the device pointer, we can simply use obj instead. Reviewed-by: Marc-Andr=C3=A9 Lureau Signed-off-by: Eduardo Habkost --- Cc: Paolo Bonzini Cc: "Daniel P. Berrang=C3=A9" Cc: Eduardo Habkost Cc: qemu-devel@nongnu.org --- hw/core/qdev-properties.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 3d648b088d..9d25b49fc1 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -559,10 +559,9 @@ static void set_prop_arraylen(Object *obj, Visitor *v,= const char *name, * array-length field in the device struct, we have to create the * array itself and dynamically add the corresponding properties. */ - DeviceState *dev =3D DEVICE(obj); Property *prop =3D opaque; uint32_t *alenptr =3D object_field_prop_ptr(obj, prop); - void **arrayptr =3D (void *)dev + prop->arrayoffset; + void **arrayptr =3D (void *)obj + prop->arrayoffset; void *eltptr; const char *arrayname; int i; @@ -602,7 +601,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, = const char *name, * they get the right answer despite the array element not actually * being inside the device struct. */ - arrayprop->prop.offset =3D eltptr - (void *)dev; + arrayprop->prop.offset =3D eltptr - (void *)obj; assert(object_field_prop_ptr(obj, &arrayprop->prop) =3D=3D eltptr); object_property_add(obj, propname, arrayprop->prop.info->name, --=20 2.28.0