git: 1ecbc1d8e9d3 - main - cxgbe tom: Don't queue AIO requests on listen sockets.

[John Baldwin]

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=1ecbc1d8e9d3fbcd8e68fc68f0a32944a12ddb1e

commit 1ecbc1d8e9d3fbcd8e68fc68f0a32944a12ddb1e
Author:     John Baldwin <jhb at FreeBSD.org>
AuthorDate: 2021-09-14 20:46:14 +0000
Commit:     John Baldwin <jhb at 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)