From: Daniel P. Berrange Date: Fri, 21 Apr 2017 11:12:20 +0000 (+0100) Subject: migration: setup bi-directional I/O channel for exec: protocol X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=062d81f0e968fe1597474735f3ea038065027372;p=qemu.git migration: setup bi-directional I/O channel for exec: protocol Historically the migration data channel has only needed to be unidirectional. Thus the 'exec:' protocol was requesting an I/O channel with O_RDONLY on incoming side, and O_WRONLY on the outgoing side. This is fine for classic migration, but if you then try to run TLS over it, this fails because the TLS handshake requires a bi-directional channel. Signed-off-by: Daniel P. Berrange Reviewed-by: Juan Quintela Signed-off-by: Juan Quintela --- diff --git a/migration/exec.c b/migration/exec.c index 9157721dfe..aba9089466 100644 --- a/migration/exec.c +++ b/migration/exec.c @@ -32,7 +32,7 @@ void exec_start_outgoing_migration(MigrationState *s, const char *command, Error trace_migration_exec_outgoing(command); ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv, - O_WRONLY, + O_RDWR, errp)); if (!ioc) { return; @@ -59,7 +59,7 @@ void exec_start_incoming_migration(const char *command, Error **errp) trace_migration_exec_incoming(command); ioc = QIO_CHANNEL(qio_channel_command_new_spawn(argv, - O_RDONLY, + O_RDWR, errp)); if (!ioc) { return;