This helper is useful to check if vs->vs_endpoint is setup by
vhost_scsi_set_endpoint().

Signed-off-by: Asias He <as...@redhat.com>
---
 drivers/vhost/tcm_vhost.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/vhost/tcm_vhost.c b/drivers/vhost/tcm_vhost.c
index fdbf986..ff56b1d 100644
--- a/drivers/vhost/tcm_vhost.c
+++ b/drivers/vhost/tcm_vhost.c
@@ -105,6 +105,18 @@ static bool tcm_vhost_check_feature(struct vhost_scsi *vs, 
u64 feature)
        return ret;
 }
 
+static bool tcm_vhost_check_endpoint(struct vhost_scsi *vs)
+{
+       bool ret = false;
+
+       mutex_lock(&vs->dev.mutex);
+       if (vs->vs_endpoint)
+               ret = true;
+       mutex_unlock(&vs->dev.mutex);
+
+       return ret;
+}
+
 static int tcm_vhost_check_true(struct se_portal_group *se_tpg)
 {
        return 1;
-- 
1.8.1.4

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