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Re: [Qemu-block] [PATCH RFC 3/4] aio: Introduce aio_context_setup
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-block] [PATCH RFC 3/4] aio: Introduce aio_context_setup |
Date: |
Tue, 7 Jul 2015 15:35:49 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Tue, Jun 30, 2015 at 09:19:44PM +0800, Fam Zheng wrote:
> diff --git a/async.c b/async.c
> index 06971f4..1d70cfd 100644
> --- a/async.c
> +++ b/async.c
> @@ -290,12 +290,17 @@ AioContext *aio_context_new(Error **errp)
> {
> int ret;
> AioContext *ctx;
> + Error *local_err = NULL;
> +
> ctx = (AioContext *) g_source_new(&aio_source_funcs, sizeof(AioContext));
> + aio_context_setup(ctx, &local_err);
> + if (local_err) {
> + error_propagate(errp, local_err);
Is there any reason to introduce local_err? errp can be passed directly
into aio_context_setup().
> + goto fail;
> + }
> ret = event_notifier_init(&ctx->notifier, false);
> if (ret < 0) {
> - g_source_destroy(&ctx->source);
> - error_setg_errno(errp, -ret, "Failed to initialize event notifier");
> - return NULL;
> + goto fail;
> }
> g_source_set_can_recurse(&ctx->source, true);
> aio_set_event_notifier(ctx, &ctx->notifier,
> @@ -307,6 +312,10 @@ AioContext *aio_context_new(Error **errp)
> timerlistgroup_init(&ctx->tlg, aio_timerlist_notify, ctx);
>
> return ctx;
> +fail:
> + g_source_destroy(&ctx->source);
> + error_setg_errno(errp, -ret, "Failed to initialize event notifier");
If aio_context_setup() failed then this hits the *errp == NULL assertion
failure in error_setg_errno(). This call shouldn't be moved away from
the event_notifier_init() call.
pgp5yRRSxzF55.pgp
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- Re: [Qemu-block] [PATCH RFC 3/4] aio: Introduce aio_context_setup,
Stefan Hajnoczi <=