[Virtio-fs] [PATCH 4/5] virtiofsd: Open lo->source while setting up root in sandbox=NONE mode

[Vivek Goyal]

In sandbox=NONE mode, lo->source points to the directory which is being
exported. We have not done any chroot()/pivot_root(). So open lo->source.

Signed-off-by: Vivek Goyal <vgoyal at redhat.com>
---
 tools/virtiofsd/passthrough_ll.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 76ef891105..a6fa816b6c 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -3209,7 +3209,10 @@ static void setup_root(struct lo_data *lo, struct lo_inode *root)
     int fd, res;
     struct stat stat;
 
-    fd = open("/", O_PATH);
+    if (lo->sandbox == SANDBOX_NONE)
+        fd = open(lo->source, O_PATH);
+    else
+        fd = open("/", O_PATH);
     if (fd == -1) {
         fuse_log(FUSE_LOG_ERR, "open(%s, O_PATH): %m\n", lo->source);
         exit(1);
-- 
2.25.4