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bh=65KVX3wzi749mqenwflT3JLvcbbtdlMwdjPCVQj09bo=; b=dIE9ETWtGiekPWn16D1MsXpCqer+whHV6QOPUck/UvERzbdhGzhZr5cnP1fjfG2mTy8LsX xQIprKN2FHH0Edpc5hno6SZFk920chfWOIMc/dQeaF3V+Q8HnV1ntYYy8dBeJR5sVSoicU fWGIIrTUKa1OmMB9SVJPv75QDWuomDw= X-MC-Unique: ZGG6nCfVOkGtENQQsqCldw-1 From: Eric Blake To: qemu-devel@nongnu.org Subject: [PATCH v3 3/7] migration: Refactor migrate_cap_add Date: Wed, 23 Dec 2020 16:10:58 -0600 Message-Id: <20201223221102.390740-4-eblake@redhat.com> In-Reply-To: <20201223221102.390740-1-eblake@redhat.com> References: <20201223221102.390740-1-eblake@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eblake@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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=eblake@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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_H4=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: armbru@redhat.com, "Dr. David Alan Gilbert" , Juan Quintela Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Instead of taking a list parameter and returning a new head at a distance, just return the new item for the caller to insert into a list via QAPI_LIST_PREPEND. Update some variable names to avoid long lines, and drop a useless comment. Signed-off-by: Eric Blake Reviewed-by: Markus Armbruster --- migration/migration.c | 29 +++++++++++++---------------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index e0dbde4091c9..bba6e5148138 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -1654,29 +1654,27 @@ void migrate_set_state(int *state, int old_state, i= nt new_state) } } -static MigrationCapabilityStatusList *migrate_cap_add( - MigrationCapabilityStatusList *list, - MigrationCapability index, - bool state) +static MigrationCapabilityStatus *migrate_cap_add(MigrationCapability inde= x, + bool state) { - MigrationCapabilityStatusList *cap; + MigrationCapabilityStatus *cap; - cap =3D g_new0(MigrationCapabilityStatusList, 1); - cap->value =3D g_new0(MigrationCapabilityStatus, 1); - cap->value->capability =3D index; - cap->value->state =3D state; - cap->next =3D list; + cap =3D g_new0(MigrationCapabilityStatus, 1); + cap->capability =3D index; + cap->state =3D state; return cap; } void migrate_set_block_enabled(bool value, Error **errp) { - MigrationCapabilityStatusList *cap; + MigrationCapabilityStatusList *caps =3D NULL; + MigrationCapabilityStatus *cap; - cap =3D migrate_cap_add(NULL, MIGRATION_CAPABILITY_BLOCK, value); - qmp_migrate_set_capabilities(cap, errp); - qapi_free_MigrationCapabilityStatusList(cap); + cap =3D migrate_cap_add(MIGRATION_CAPABILITY_BLOCK, value); + QAPI_LIST_PREPEND(caps, cap); + qmp_migrate_set_capabilities(caps, errp); + qapi_free_MigrationCapabilityStatusList(caps); } static void migrate_set_block_incremental(MigrationState *s, bool value) @@ -3863,13 +3861,12 @@ static bool migration_object_check(MigrationState *= ms, Error **errp) for (i =3D 0; i < MIGRATION_CAPABILITY__MAX; i++) { if (ms->enabled_capabilities[i]) { - head =3D migrate_cap_add(head, i, true); + QAPI_LIST_PREPEND(head, migrate_cap_add(i, true)); } } ret =3D migrate_caps_check(cap_list, head, errp); - /* It works with head =3D=3D NULL */ qapi_free_MigrationCapabilityStatusList(head); return ret; --=20 2.29.2