From: Pavel Begunkov <asml.silence@gmail.com>
To: io-uring@vger.kernel.org
Cc: asml.silence@gmail.com, David Wei <dw@davidwei.uk>
Subject: [PATCH liburing 1/2] examples/zcrx: fix final recvzc CQE handling
Date: Wed, 23 Apr 2025 12:58:37 +0100 [thread overview]
Message-ID: <678348ee0d2bff1aca3753d9f31a3affe135f0f4.1745409376.git.asml.silence@gmail.com> (raw)
In-Reply-To: <cover.1745409376.git.asml.silence@gmail.com>
The last CQE of a zcrx request, i.e. without IORING_CQE_F_MORE,
doesn't have a buffer attached, don't fall through to buffer handling.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
examples/zcrx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/examples/zcrx.c b/examples/zcrx.c
index 40a4f0ad..3073c4c5 100644
--- a/examples/zcrx.c
+++ b/examples/zcrx.c
@@ -220,6 +220,7 @@ static void process_recvzc(struct io_uring __attribute__((unused)) *ring,
t_error(1, 0, "total receive size mismatch %lu / %lu",
received, cfg_size);
stop = true;
+ return;
}
if (cqe->res < 0)
t_error(1, 0, "recvzc(): %d", cqe->res);
--
2.48.1
next prev parent reply other threads:[~2025-04-23 11:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-23 11:58 [PATCH liburing 0/2] huge page support for the zcrx examples Pavel Begunkov
2025-04-23 11:58 ` Pavel Begunkov [this message]
2025-04-23 11:58 ` [PATCH liburing 2/2] examples/zcrx: add huge page backed areas Pavel Begunkov
2025-04-23 20:00 ` [PATCH liburing 0/2] huge page support for the zcrx examples Jens Axboe
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