[ 03/53] timeconst.pl: Eliminate Perl warning

From: Greg Kroah-Hartman
Date: Tue Feb 26 2013 - 19:34:47 EST

3.0-stable review patch. If anyone has any objections, please let me know.


From: "H. Peter Anvin" <hpa@xxxxxxxxxxxxxxx>

commit 63a3f603413ffe82ad775f2d62a5afff87fd94a0 upstream.

defined(@array) is deprecated in Perl and gives off a warning.
Restructure the code to remove that warning.

[ hpa: it would be interesting to revert to the timeconst.bc script.
It appears that the failures reported by akpm during testing of
that script was due to a known broken version of make, not a problem
with bc. The Makefile rules could probably be restructured to avoid
the make bug, or it is probably old enough that it doesn't matter. ]

Reported-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

kernel/timeconst.pl | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

--- a/kernel/timeconst.pl
+++ b/kernel/timeconst.pl
@@ -369,10 +369,8 @@ if ($hz eq '--can') {
die "Usage: $0 HZ\n";

- @val = @{$canned_values{$hz}};
- if (!defined(@val)) {
- @val = compute_values($hz);
- }
+ $cv = $canned_values{$hz};
+ @val = defined($cv) ? @$cv : compute_values($hz);
output($hz, @val);
exit 0;

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