Fix crash on unmount under OSXFUSE.

OSXFUSE calls fuse_exfat_fsync() for "/" which was not opened.

diff --git a/fuse/main.c b/fuse/main.c
index e33060d..9f900ae 100644 (file)
--- a/fuse/main.c
+++ b/fuse/main.c
@@ -160,9 +160,12 @@ static int fuse_exfat_fsync(const char* path, int datasync,
        int rc;
 
        exfat_debug("[%s] %s", __func__, path);
-       rc = exfat_flush_node(&ef, get_node(fi));
-       if (rc != 0)
-               return rc;
+       if (get_node(fi) != NULL)
+       {
+               rc = exfat_flush_node(&ef, get_node(fi));
+               if (rc != 0)
+                       return rc;
+       }
        rc = exfat_flush(&ef);
        if (rc != 0)
                return rc;