From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41283) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eg8Fy-0005WQ-LQ for qemu-devel@nongnu.org; Mon, 29 Jan 2018 07:09:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eg8Fs-0001CH-OC for qemu-devel@nongnu.org; Mon, 29 Jan 2018 07:09:50 -0500 Received: from mx1.redhat.com ([209.132.183.28]:58654) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eg8Fs-0001B5-JE for qemu-devel@nongnu.org; Mon, 29 Jan 2018 07:09:44 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F182518B25B for ; Mon, 29 Jan 2018 12:09:43 +0000 (UTC) From: Juan Quintela Date: Mon, 29 Jan 2018 13:09:20 +0100 Message-Id: <20180129120932.12874-2-quintela@redhat.com> In-Reply-To: <20180129120932.12874-1-quintela@redhat.com> References: <20180129120932.12874-1-quintela@redhat.com> Subject: [Qemu-devel] [PULL 01/13] migration: Allow migrate_fd_connect to take an Error * List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: dgilbert@redhat.com, lvivier@redhat.com, peterx@redhat.com From: "Dr. David Alan Gilbert" Allow whatever is performing the connection to pass migrate_fd_connect an error to indicate there was a problem during connection, an allow us to clean up. The caller must free the error. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- migration/channel.c | 2 +- migration/migration.c | 7 ++++++- migration/migration.h | 2 +- migration/rdma.c | 2 +- 4 files changed, 9 insertions(+), 4 deletions(-) diff --git a/migration/channel.c b/migration/channel.c index 70ec7ea3b7..fdb7ddbd17 100644 --- a/migration/channel.c +++ b/migration/channel.c @@ -78,6 +78,6 @@ void migration_channel_connect(MigrationState *s, s->to_dst_file = f; - migrate_fd_connect(s); + migrate_fd_connect(s, NULL); } } diff --git a/migration/migration.c b/migration/migration.c index c99a4e62d7..1fbd304c66 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -2378,10 +2378,15 @@ static void *migration_thread(void *opaque) return NULL; } -void migrate_fd_connect(MigrationState *s) +void migrate_fd_connect(MigrationState *s, Error *error_in) { s->expected_downtime = s->parameters.downtime_limit; s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup, s); + if (error_in) { + migrate_fd_error(s, error_in); + migrate_fd_cleanup(s); + return; + } qemu_file_set_blocking(s->to_dst_file, true); qemu_file_set_rate_limit(s->to_dst_file, diff --git a/migration/migration.h b/migration/migration.h index 786d971ce2..d3b214e5ba 100644 --- a/migration/migration.h +++ b/migration/migration.h @@ -190,7 +190,7 @@ uint64_t migrate_max_downtime(void); void migrate_set_error(MigrationState *s, const Error *error); void migrate_fd_error(MigrationState *s, const Error *error); -void migrate_fd_connect(MigrationState *s); +void migrate_fd_connect(MigrationState *s, Error *error_in); MigrationState *migrate_init(void); bool migration_is_blocked(Error **errp); diff --git a/migration/rdma.c b/migration/rdma.c index 9d5a424011..da474fc19f 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -3758,7 +3758,7 @@ void rdma_start_outgoing_migration(void *opaque, trace_rdma_start_outgoing_migration_after_rdma_connect(); s->to_dst_file = qemu_fopen_rdma(rdma, "wb"); - migrate_fd_connect(s); + migrate_fd_connect(s, NULL); return; err: g_free(rdma); -- 2.14.3