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Tsirkin" , Jason Wang , Alex Williamson , Cedric Le Goater , Gerd Hoffmann , Marc-Andre Lureau , David Hildenbrand , Steve Sistare Subject: [PATCH V2 08/11] migration: refactor migrate_fd_connect failures Date: Fri, 12 Jan 2024 07:05:07 -0800 Message-Id: <1705071910-174321-9-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1705071910-174321-1-git-send-email-steven.sistare@oracle.com> References: <1705071910-174321-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-12_06,2024-01-12_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401120117 X-Proofpoint-ORIG-GUID: tuBv5ZvTjhVBNfp3sXDDHo9m5yseVqW- X-Proofpoint-GUID: tuBv5ZvTjhVBNfp3sXDDHo9m5yseVqW- Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.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_MED=-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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Move common code for the error path in migrate_fd_connect to a shared fail label. No functional change. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu --- migration/migration.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/migration/migration.c b/migration/migration.c index e9914aa..c828ba7 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -3549,6 +3549,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) Error *local_err = NULL; uint64_t rate_limit; bool resume = s->state == MIGRATION_STATUS_POSTCOPY_PAUSED; + int expect_state = s->state; /* * If there's a previous error, free it and prepare for another one. @@ -3603,11 +3604,7 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) if (migrate_postcopy_ram() || migrate_return_path()) { if (open_return_path_on_source(s)) { error_setg(&local_err, "Unable to open return-path for postcopy"); - migrate_set_state(&s->state, s->state, MIGRATION_STATUS_FAILED); - migrate_set_error(s, local_err); - error_report_err(local_err); - migrate_fd_cleanup(s); - return; + goto fail; } } @@ -3629,12 +3626,8 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) } if (multifd_save_setup(&local_err) != 0) { - migrate_set_error(s, local_err); - error_report_err(local_err); - migrate_set_state(&s->state, MIGRATION_STATUS_SETUP, - MIGRATION_STATUS_FAILED); - migrate_fd_cleanup(s); - return; + expect_state = MIGRATION_STATUS_SETUP; + goto fail; } if (migrate_background_snapshot()) { @@ -3645,6 +3638,13 @@ void migrate_fd_connect(MigrationState *s, Error *error_in) migration_thread, s, QEMU_THREAD_JOINABLE); } s->migration_thread_running = true; + return; + +fail: + migrate_set_error(s, local_err); + migrate_set_state(&s->state, expect_state, MIGRATION_STATUS_FAILED); + error_report_err(local_err); + migrate_fd_cleanup(s); } static void migration_class_init(ObjectClass *klass, void *data)