From 05e29c343ab5af345960127ba0bed7d730eee6c8 Mon Sep 17 00:00:00 2001
From: Dan Streetman <ddstreet@canonical.com>
Date: Tue, 8 Sep 2020 13:10:37 -0400
Subject: don't fail completely if we can't set write wakeup watermark

We won't have access to change the watermark if we're running in
an unprivileged container, so if the error is EACCES just warn
and continue
---
 src/haveged.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/haveged.c b/src/haveged.c
index 014b4ba..733d0da 100644
--- a/src/haveged.c
+++ b/src/haveged.c
@@ -694,6 +694,9 @@ static void set_watermark( /* RETURN: nothing   */
       fprintf(wm_fh, "%d\n", level);
       fclose(wm_fh);
       }
+   else if (errno == EACCES)
+       fprintf(stderr, "No access to %s, can't set watermark (maybe running in a container?)\n",
+               params->watermark);
    else error_exit("Fail:set_watermark()!");
 }
 #endif
-- 
cgit v1.2.3