[libvirt] [PATCH v2 18/23] qemu-migration: prevent migration if slirp cannot be migrated

From: Marc-André Lureau <marcandre.lureau(a)redhat.com&gt; Signed-off-by: Marc-André Lureau <marcandre.lureau(a)redhat.com&gt; --- src/qemu/qemu_migration.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 86b4bfd970..c607e9f909 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -39,6 +39,7 @@ #include "qemu_hotplug.h" #include "qemu_blockjob.h" #include "qemu_security.h" +#include "qemu_slirp.h" #include "qemu_block.h" #include "domain_audit.h" @@ -1150,6 +1151,17 @@ qemuMigrationSrcIsAllowed(virQEMUDriverPtr driver, return false; } + for (i = 0; i < vm->def->nnets; i++) { + virDomainNetDefPtr net = vm->def->nets[i]; + qemuSlirpPtr slirp = QEMU_DOMAIN_NETWORK_PRIVATE(net)->slirp; + + if (slirp && !qemuSlirpHasFeature(slirp, QEMU_SLIRP_FEATURE_MIGRATE)) { + virReportError(VIR_ERR_OPERATION_INVALID, "%s", + _("a slirp-helper cannot be migrated")); + return false; + } + } + /* following checks don't make sense for offline migration */ if (!(flags & VIR_MIGRATE_OFFLINE)) { if (qemuProcessAutoDestroyActive(driver, vm)) { -- 2.23.0.rc1