From: Liu Bo <bo.liu@linux.alibaba.com>
Date: Mon, 27 Jan 2020 19:01:58 +0000
Subject: [PATCH] virtiofsd: add helper for lo_data cleanup
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This offers an helper function for lo_data's cleanup.

Signed-off-by: Liu Bo <bo.liu@linux.alibaba.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 18a69cbbb6a4caa7c2040c6db4a33b044a32be7e)
---
 tools/virtiofsd/passthrough_ll.c | 37 ++++++++++++++++++--------------
 1 file changed, 21 insertions(+), 16 deletions(-)

diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
index 056ebe8556..e8dc5c7320 100644
--- a/tools/virtiofsd/passthrough_ll.c
+++ b/tools/virtiofsd/passthrough_ll.c
@@ -2407,6 +2407,26 @@ static gboolean lo_key_equal(gconstpointer a, gconstpointer b)
     return la->ino == lb->ino && la->dev == lb->dev;
 }
 
+static void fuse_lo_data_cleanup(struct lo_data *lo)
+{
+    if (lo->inodes) {
+        g_hash_table_destroy(lo->inodes);
+    }
+    lo_map_destroy(&lo->fd_map);
+    lo_map_destroy(&lo->dirp_map);
+    lo_map_destroy(&lo->ino_map);
+
+    if (lo->proc_self_fd >= 0) {
+        close(lo->proc_self_fd);
+    }
+
+    if (lo->root.fd >= 0) {
+        close(lo->root.fd);
+    }
+
+    free(lo->source);
+}
+
 int main(int argc, char *argv[])
 {
     struct fuse_args args = FUSE_ARGS_INIT(argc, argv);
@@ -2554,22 +2574,7 @@ err_out2:
 err_out1:
     fuse_opt_free_args(&args);
 
-    if (lo.inodes) {
-        g_hash_table_destroy(lo.inodes);
-    }
-    lo_map_destroy(&lo.fd_map);
-    lo_map_destroy(&lo.dirp_map);
-    lo_map_destroy(&lo.ino_map);
-
-    if (lo.proc_self_fd >= 0) {
-        close(lo.proc_self_fd);
-    }
-
-    if (lo.root.fd >= 0) {
-        close(lo.root.fd);
-    }
-
-    free(lo.source);
+    fuse_lo_data_cleanup(&lo);
 
     return ret ? 1 : 0;
 }