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-rwxr-xr-xscripts/kernel-doc3
1 files changed, 2 insertions, 1 deletions
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 2fc8fad5195e..babb374c043d 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1803,7 +1803,8 @@ sub output_function_rst(%) {
} else {
print " ``$parameter``\n";
}
- if ($args{'parameterdescs'}{$parameter_name} ne $undescribed) {
+ if (defined($args{'parameterdescs'}{$parameter_name}) &&
+ $args{'parameterdescs'}{$parameter_name} ne $undescribed) {
my $oldprefix = $lineprefix;
$lineprefix = " ";
output_highlight_rst($args{'parameterdescs'}{$parameter_name});