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-rwxr-xr-xscripts/kconfig/streamline_config.pl5
1 files changed, 4 insertions, 1 deletions
diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl
index 19857d18d814..1c78ba49ca99 100755
--- a/scripts/kconfig/streamline_config.pl
+++ b/scripts/kconfig/streamline_config.pl
@@ -593,7 +593,10 @@ while ($repeat) {
}
my %setconfigs;
-my @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP});
+my @preserved_kconfigs;
+if (defined($ENV{'LMC_KEEP'})) {
+ @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP});
+}
sub in_preserved_kconfigs {
my $kconfig = $config2kfile{$_[0]};