kernel-doc/rst: fix use of uninitialized value

I'm not quite sure why the errors below are happening, but this fixes
them.

Use of uninitialized value in string ne at ./scripts/kernel-doc line 1819, <IN> line 6494.
Use of uninitialized value $_[0] in join or string at ./scripts/kernel-doc line 1759, <IN> line 6494.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2016-05-19 20:32:48 +03:00
parent 1a695a905c
commit 5e64fa9c44
1 changed files with 2 additions and 1 deletions

View File

@ -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});