From 84257185a46ebb0fff5fcfb3894dcc117d84e2ab Mon Sep 17 00:00:00 2001
From: John Levon <john.levon@nutanix.com>
Date: Fri, 4 Mar 2022 10:27:51 +0000
Subject: [PATCH] nvmf/vfio-user: correct vfu_run_ctx() handling

When vfu_run_ctx() returns EBUSY, due to an ongoing quiesce, we did no
work, so should return SPDK_POLLER_IDLE.

Signed-off-by: John Levon <john.levon@nutanix.com>
Change-Id: I5953ab652f0adf22df81c94c4bece507833cece4
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11810
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Thanos Makatos <thanos.makatos@nutanix.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
---
 lib/nvmf/vfio_user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/nvmf/vfio_user.c b/lib/nvmf/vfio_user.c
index 24b180690..86d9adc2d 100644
--- a/lib/nvmf/vfio_user.c
+++ b/lib/nvmf/vfio_user.c
@@ -3685,7 +3685,7 @@ vfio_user_poll_vfu_ctx(void *ctx)
 	ret = vfu_run_ctx(ctrlr->endpoint->vfu_ctx);
 	if (spdk_unlikely(ret == -1)) {
 		if (errno == EBUSY) {
-			return SPDK_POLLER_BUSY;
+			return SPDK_POLLER_IDLE;
 		}
 
 		spdk_poller_unregister(&ctrlr->vfu_ctx_poller);