qemu_file_set_blocking() is a wrapper on qio_channel_set_blocking(), so let's passthrough the errp.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru> --- migration/colo.c | 5 ++++- migration/migration.c | 8 +++++--- migration/postcopy-ram.c | 2 +- migration/qemu-file.c | 4 ++-- migration/qemu-file.h | 2 +- migration/savevm.c | 4 ++-- 6 files changed, 15 insertions(+), 10 deletions(-) diff --git a/migration/colo.c b/migration/colo.c index e0f713c837..cf4d71d9ed 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -859,7 +859,10 @@ static void *colo_process_incoming_thread(void *opaque) * coroutine, and here we are in the COLO incoming thread, so it is ok to * set the fd back to blocked. */ - qemu_file_set_blocking(mis->from_src_file, true); + if (!qemu_file_set_blocking(mis->from_src_file, true, &local_err)) { + error_report_err(local_err); + goto out; + } colo_incoming_start_dirty_log(); diff --git a/migration/migration.c b/migration/migration.c index 10c216d25d..e1ac4d73c2 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -951,7 +951,7 @@ static void migration_incoming_setup(QEMUFile *f) assert(!mis->from_src_file); mis->from_src_file = f; - qemu_file_set_blocking(f, false); + qemu_file_set_blocking(f, false, &error_abort); } void migration_incoming_process(void) @@ -971,7 +971,7 @@ static bool postcopy_try_recover(void) /* This should be set already in migration_incoming_setup() */ assert(mis->from_src_file); /* Postcopy has standalone thread to do vm load */ - qemu_file_set_blocking(mis->from_src_file, true); + qemu_file_set_blocking(mis->from_src_file, true, &error_abort); /* Re-configure the return path */ mis->to_src_file = qemu_file_get_return_path(mis->from_src_file); @@ -4002,7 +4002,9 @@ void migration_connect(MigrationState *s, Error *error_in) } migration_rate_set(rate_limit); - qemu_file_set_blocking(s->to_dst_file, true); + if (!qemu_file_set_blocking(s->to_dst_file, true, &local_err)) { + goto fail; + } /* * Open the return path. For postcopy, it is used exclusively. For diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c index 45af9a361e..0172172343 100644 --- a/migration/postcopy-ram.c +++ b/migration/postcopy-ram.c @@ -1909,7 +1909,7 @@ void postcopy_preempt_new_channel(MigrationIncomingState *mis, QEMUFile *file) * The new loading channel has its own threads, so it needs to be * blocked too. It's by default true, just be explicit. */ - qemu_file_set_blocking(file, true); + qemu_file_set_blocking(file, true, &error_abort); mis->postcopy_qemufile_dst = file; qemu_sem_post(&mis->postcopy_qemufile_dst_done); trace_postcopy_preempt_new_channel(); diff --git a/migration/qemu-file.c b/migration/qemu-file.c index d5c6e7ec61..0f4280df21 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -888,9 +888,9 @@ void qemu_put_counted_string(QEMUFile *f, const char *str) * both directions, and thus changing the blocking on the main * QEMUFile can also affect the return path. */ -void qemu_file_set_blocking(QEMUFile *f, bool block) +bool qemu_file_set_blocking(QEMUFile *f, bool block, Error **errp) { - qio_channel_set_blocking(f->ioc, block, NULL); + return qio_channel_set_blocking(f->ioc, block, errp); } /* diff --git a/migration/qemu-file.h b/migration/qemu-file.h index f5b9f430e0..c13c967167 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -71,7 +71,7 @@ void qemu_file_set_error(QEMUFile *f, int ret); int qemu_file_shutdown(QEMUFile *f); QEMUFile *qemu_file_get_return_path(QEMUFile *f); int qemu_fflush(QEMUFile *f); -void qemu_file_set_blocking(QEMUFile *f, bool block); +bool qemu_file_set_blocking(QEMUFile *f, bool block, Error **errp); int qemu_file_get_to_fd(QEMUFile *f, int fd, size_t size); void qemu_set_offset(QEMUFile *f, off_t off, int whence); off_t qemu_get_offset(QEMUFile *f); diff --git a/migration/savevm.c b/migration/savevm.c index fabbeb296a..abe0547f9b 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2095,7 +2095,7 @@ static void *postcopy_ram_listen_thread(void *opaque) * Because we're a thread and not a coroutine we can't yield * in qemu_file, and thus we must be blocking now. */ - qemu_file_set_blocking(f, true); + qemu_file_set_blocking(f, true, &error_fatal); /* TODO: sanity check that only postcopiable data will be loaded here */ load_res = qemu_loadvm_state_main(f, mis); @@ -2108,7 +2108,7 @@ static void *postcopy_ram_listen_thread(void *opaque) f = mis->from_src_file; /* And non-blocking again so we don't block in any cleanup */ - qemu_file_set_blocking(f, false); + qemu_file_set_blocking(f, false, &error_fatal); trace_postcopy_ram_listen_thread_exit(); if (load_res < 0) { -- 2.48.1