LU-5005 utils: handle ROOT path correctly

[fs/lustre-release.git] / lustre / utils / liblustreapi.c

diff --git a/lustre/utils/liblustreapi.c b/lustre/utils/liblustreapi.c
index d3c99c6..e9d3b12 100644 (file)
--- a/lustre/utils/liblustreapi.c
+++ b/lustre/utils/liblustreapi.c
@@ -4283,9 +4283,13 @@ int llapi_fid2path(const char *device, const char *fidstr, char *buf,
                 if (rc != -ENOENT)
                         llapi_error(LLAPI_MSG_ERROR, rc, "ioctl err %d", rc);
         } else {
-                memcpy(buf, gf->gf_path, gf->gf_pathlen);
-                *recno = gf->gf_recno;
-                *linkno = gf->gf_linkno;
+               memcpy(buf, gf->gf_path, gf->gf_pathlen);
+               if (buf[0] == '\0') { /* ROOT path */
+                       buf[0] = '/';
+                       buf[1] = '\0';
+               }
+               *recno = gf->gf_recno;
+               *linkno = gf->gf_linkno;
         }
 
         free(gf);