More instructive error message

diff --git a/contain.c b/contain.c
index 8ac1f4d18684a89e3bb17738e5c51751e8ba3858..f9d589080ee1b5244583e744af3a56ac31a093f0 100644 (file)
--- a/contain.c
+++ b/contain.c
@@ -241,7 +241,8 @@ bool containMountFS(struct nsjconf_t * nsjconf)
 
        for (size_t i = 0; i < nsjconf->tmpfsmountpts->fs_count; i++) {
                if (mkdir(nsjconf->tmpfsmountpts->mountpt[i], 0700) == -1 && errno != EEXIST) {
-                       PLOG_E("mkdir('%s')", nsjconf->tmpfsmountpts->mountpt[i]);
+                       PLOG_E("mkdir('%s'); You probably need to create it in your --chroot ('%s') directory",
+                              nsjconf->tmpfsmountpts->mountpt[i], nsjconf->chroot);
                        return false;
                }
                LOG_D("Mounting (tmpfs) '%s'", nsjconf->tmpfsmountpts->mountpt[i]);