From 167d913f34aa469fa30b0c51a04d8d2b9a5f1fa5 Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Wed, 26 Jan 2022 17:11:25 +0100 Subject: [PATCH] qapi/commands: refactor error handling code Move error_propagate() to if (err) and make "if (err)" block mandatory. This is to simplify further commit, which will bring trace events generation for QMP commands. Signed-off-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Stefan Hajnoczi Message-Id: <20220126161130.3240892-3-vsementsov@virtuozzo.com> Reviewed-by: Markus Armbruster Signed-off-by: Markus Armbruster --- docs/devel/qapi-code-gen.rst | 2 +- scripts/qapi/commands.py | 10 +++++++--- 2 files changed, 8 insertions(+), 4 deletions(-) diff --git a/docs/devel/qapi-code-gen.rst b/docs/devel/qapi-code-gen.rst index a3b5473089..feafed79b5 100644 --- a/docs/devel/qapi-code-gen.rst +++ b/docs/devel/qapi-code-gen.rst @@ -1690,8 +1690,8 @@ Example:: } retval = qmp_my_command(arg.arg1, &err); - error_propagate(errp, err); if (err) { + error_propagate(errp, err); goto out; } diff --git a/scripts/qapi/commands.py b/scripts/qapi/commands.py index 21001bbd6b..17e5ed2414 100644 --- a/scripts/qapi/commands.py +++ b/scripts/qapi/commands.py @@ -74,14 +74,18 @@ def gen_call(name: str, ret = mcgen(''' %(lhs)sqmp_%(c_name)s(%(args)s&err); - error_propagate(errp, err); ''', c_name=c_name(name), args=argstr, lhs=lhs) - if ret_type: - ret += mcgen(''' + + ret += mcgen(''' if (err) { + error_propagate(errp, err); goto out; } +''') + + if ret_type: + ret += mcgen(''' qmp_marshal_output_%(c_name)s(retval, ret, errp); ''',