getarg()/getargs(): check existance of /etc/cmdline before reading it

diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index b4dd731301a89e5af446e12944d0aac0656eef95..31b95b064620778d3a01c843a0d99b6aa30e3e63 100644 (file)
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -1,7 +1,7 @@
 getarg() {
     local o line
     if [ -z "$CMDLINE" ]; then
-       read CMDLINE_ETC </etc/cmdline;
+       [ -f /etc/cmdline ] && read CMDLINE_ETC </etc/cmdline;
        read CMDLINE </proc/cmdline;
        CMDLINE="$CMDLINE $CMDLINE_ETC"
     fi
@@ -15,7 +15,7 @@ getarg() {
 getargs() {
     local o line found
     if [ -z "$CMDLINE" ]; then
-       read CMDLINE_ETC </etc/cmdline;
+       [ -f /etc/cmdline ] && read CMDLINE_ETC </etc/cmdline;
        read CMDLINE </proc/cmdline;
        CMDLINE="$CMDLINE $CMDLINE_ETC"
     fi