Fix for a problem with hwclock

meta-citadel/recipes-core/util-linux/util-linux/ioctl_fix.patch

@@ -0,0 +1,38 @@
+From 32337d96b1fda2d8bfff753277f45a1ba0ee118c Mon Sep 17 00:00:00 2001
+From: Karel Zak <kzak@redhat.com>
+Date: Thu, 23 Nov 2017 10:30:27 +0100
+Subject: [PATCH] hwclock: revert ioctl test
+
+This commit reverts 1d5cffa16a0183175684809cf215294ec20b8fd9.
+
+(I did this revert manually as there was another changes in the code
+and git-revert does not work in this case.)
+
+Addresses: https://github.com/karelzak/util-linux/issues/543
+Signed-off-by: Karel Zak <kzak@redhat.com>
+---
+ sys-utils/hwclock-rtc.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/sys-utils/hwclock-rtc.c b/sys-utils/hwclock-rtc.c
+index 62e432937..cdd7d80d6 100644
+--- a/sys-utils/hwclock-rtc.c
++++ b/sys-utils/hwclock-rtc.c
+@@ -261,7 +261,7 @@ static int synchronize_to_clock_tick_rtc(const struct hwclock_control *ctl)
+ 		 * they should.
+ 		 */
+ 		rc = -1;
+-		errno = ENOTTY;
++		errno = EINVAL;
+ #else
+ 		rc = ioctl(rtc_fd, RTC_UIE_ON, 0);
+ #endif
+@@ -296,7 +296,7 @@ static int synchronize_to_clock_tick_rtc(const struct hwclock_control *ctl)
+ 			if (rc == -1)
+ 				warn(_("ioctl() to %s to turn off update interrupts failed"),
+ 				     rtc_dev_name);
+-		} else if (errno == ENOTTY) {
++		} else if (errno == ENOTTY || errno == EINVAL) {
+ 			/* rtc ioctl interrupts are unimplemented */
+ 			ret = busywait_for_rtc_clock_tick(ctl, rtc_fd);
+ 		} else

meta-citadel/recipes-core/util-linux/util-linux_2.31.bbappend

@@ -0,0 +1,3 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+# https://github.com/karelzak/util-linux/issues/543
+SRC_URI += "file://ioctl_fix.patch"