The branch main has been updated by jhb:
URL:
https://cgit.FreeBSD.org/src/commit/?id=1ecbc1d8e9d3fbcd8e68fc68f0a32944a12ddb1e
commit 1ecbc1d8e9d3fbcd8e68fc68f0a32944a12ddb1e
Author: John Baldwin <j...@freebsd.org>
AuthorDate: 2021-09-14 20:46:14 +0000
Commit: John Baldwin <j...@freebsd.org>
CommitDate: 2021-09-14 20:46:14 +0000
cxgbe tom: Don't queue AIO requests on listen sockets.
This is similar to the fixes in 141fe2dceeae. One difference is that
TOE sockets do not change states (listen vs non-listen) once created,
so no lock is needed for SOLISTENING().
Sponsored by: Chelsio Communications
---
sys/dev/cxgbe/tom/t4_tom.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/sys/dev/cxgbe/tom/t4_tom.c b/sys/dev/cxgbe/tom/t4_tom.c
index a444f0c9d690..41f55fdbd426 100644
--- a/sys/dev/cxgbe/tom/t4_tom.c
+++ b/sys/dev/cxgbe/tom/t4_tom.c
@@ -1989,6 +1989,13 @@ t4_aio_queue_tom(struct socket *so, struct kaiocb *job)
struct toepcb *toep = tp->t_toe;
int error;
+ /*
+ * No lock is needed as TOE sockets never change between
+ * active and passive.
+ */
+ if (SOLISTENING(so))
+ return (EINVAL);
+
if (ulp_mode(toep) == ULP_MODE_TCPDDP) {
error = t4_aio_queue_ddp(so, job);
if (error != EOPNOTSUPP)
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