From: Stefan Hajnoczi <stefanha@redhat.com>
Date: Mon, 27 Jan 2020 19:02:04 +0000
Subject: [PATCH] virtiofsd: use fuse_lowlevel_is_virtio() in
 fuse_session_destroy()
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vu_socket_path is NULL when --fd=FDNUM was used.  Use
fuse_lowlevel_is_virtio() instead.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 620e9d8d9cee6df7fe71168dea950dba0cc21a4a)
---
 tools/virtiofsd/fuse_lowlevel.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 70568d22a4..dab6a31e08 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -2537,12 +2537,13 @@ void fuse_session_destroy(struct fuse_session *se)
         close(se->fd);
     }
 
-    if (se->vu_socket_path) {
+    if (fuse_lowlevel_is_virtio(se)) {
         virtio_session_close(se);
-        free(se->vu_socket_path);
-        se->vu_socket_path = NULL;
     }
 
+    free(se->vu_socket_path);
+    se->vu_socket_path = NULL;
+
     free(se);
 }