From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Tue, 13 Sep 2011 14:37:54 +0000 (+0200)
Subject: Use ADJ_OFFSET_SS_READ mode only with kernels 2.6.28 and later
X-Git-Tag: 1.27-pre1~32
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=78fc17c66182c5c5c6f9d46300fe183af1326870;p=thirdparty%2Fchrony.git

Use ADJ_OFFSET_SS_READ mode only with kernels 2.6.28 and later
---

diff --git a/sys_linux.c b/sys_linux.c
index f3bb5f76..ffc917ed 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -1007,8 +1007,9 @@ get_version_specific_details(void)
     }
   }
 
-  /* ADJ_OFFSET_SS_READ support */
-  if (kernelvercmp(major, minor, patch, 2, 6, 27) < 0) {
+  /* ADJ_OFFSET_SS_READ support. It's available since 2.6.24,
+     but was buggy until 2.6.28. */
+  if (kernelvercmp(major, minor, patch, 2, 6, 28) < 0) {
     have_readonly_adjtime = 0;
   } else {
     have_readonly_adjtime = 1;