From d6edf2795c26f58982a6a1f6c7cbeb01f7facf96 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@intel.com>
Date: Mon, 19 Nov 2018 09:45:18 +0200
Subject: [PATCH] dm: mei: check for state before link reset callback

Prevent intercepting reset callback if reset state
transition is already in progress.

Tracked-On: #1846
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Acked-by: Yu Wang <yu1.wang@intel.com>
---
 devicemodel/hw/pci/virtio/virtio_mei.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/devicemodel/hw/pci/virtio/virtio_mei.c b/devicemodel/hw/pci/virtio/virtio_mei.c
index 34ce2e74f..c388dd0a1 100644
--- a/devicemodel/hw/pci/virtio/virtio_mei.c
+++ b/devicemodel/hw/pci/virtio/virtio_mei.c
@@ -2010,6 +2010,9 @@ vmei_reset_callback(int fd, enum ev_type type, void *param)
 	char buf[MEI_DEV_STATE_LEN] = {0};
 	int sz;
 
+	if (vmei->status != VMEI_STS_READY)
+		return;
+
 	lseek(fd, 0, SEEK_SET);
 	sz = read(fd, buf, 12);
 	if (first_time) {