From 72a5fa139701e61e68199cda8f3dc77355a4b5e0 Mon Sep 17 00:00:00 2001
From: Changpeng Liu <changpeng.liu@intel.com>
Date: Mon, 11 Oct 2021 20:37:18 +0800
Subject: [PATCH] libvfio-user: update submodule

Change-Id: I58794b7b946eeb8ff82512905af0a296e3b534aa
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9817
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: John Kariuki <John.K.Kariuki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
---
 lib/nvmf/vfio_user.c | 4 ++++
 libvfio-user         | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/nvmf/vfio_user.c b/lib/nvmf/vfio_user.c
index 3533751b1..15c85e055 100644
--- a/lib/nvmf/vfio_user.c
+++ b/lib/nvmf/vfio_user.c
@@ -2375,6 +2375,10 @@ vfio_user_poll_vfu_ctx(void *ctx)
 	 * to the portion of the BAR that is not mmap'd */
 	ret = vfu_run_ctx(ctrlr->endpoint->vfu_ctx);
 	if (spdk_unlikely(ret == -1)) {
+		if (errno == EBUSY) {
+			return SPDK_POLLER_BUSY;
+		}
+
 		spdk_poller_unregister(&ctrlr->vfu_ctx_poller);
 
 		/* initiator shutdown or reset, waiting for another re-connect */
diff --git a/libvfio-user b/libvfio-user
index 46ed1dbd8..568429675 160000
--- a/libvfio-user
+++ b/libvfio-user
@@ -1 +1 @@
-Subproject commit 46ed1dbd8e692ee53a544022dd70151f21a4e725
+Subproject commit 56842967566dcf4b89514949a6e88ba89eeaf268