hwclock.sh: check for the existence of /etc/default/rcS

/etc/default/rcS might be missing if the init manager is not sysvinit.
So we have to check for the existence of this file before sourcing it.

[YOCTO #3697]

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>

diff --git a/meta/recipes-core/busybox/files/hwclock.sh b/meta/recipes-core/busybox/files/hwclock.sh
index cc6d2862baa241788c25fbeb2d36b7f015d24df1..be5f94d86c8a9bb695ccd73c058d09cfc1fc2984 100644 (file)
--- a/meta/recipes-core/busybox/files/hwclock.sh
+++ b/meta/recipes-core/busybox/files/hwclock.sh
@@ -20,7 +20,7 @@
 
 [ ! -x /sbin/hwclock ] && exit 0
 
-. /etc/default/rcS
+[ -f /etc/default/rcS ] && . /etc/default/rcS
 
 [ "$UTC" = "yes" ] && tz="--utc" || tz="--localtime"
 case "$1" in