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export_report: fix perl warnings 

Use local file handles, use three argument open.
Don't modify arguments in perl grep (use sed instead)

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Acked-by: WANG Cong <amwang@redhat.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Stephen Hemminger 2010-02-22 15:17:22 -08:00 committed by Michal Marek
parent 9c49fd307a
commit 91416cfdf9
1 changed files with 20 additions and 17 deletions
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37
scripts/export_report.pl
View File

@ -49,10 +49,10 @@ sub usage {
} }
sub collectcfiles { sub collectcfiles {
my @file = `cat .tmp_versions/*.mod | grep '.*\.ko\$'`; my @file
@file = grep {s/\.ko/.mod.c/} @file; = `cat .tmp_versions/*.mod | grep '.*\.ko\$' | sed s/\.ko$/.mod.c/`;
chomp @file; chomp @file;
return @file; return @file;
} }
my (%SYMBOL, %MODULE, %opt, @allcfiles); my (%SYMBOL, %MODULE, %opt, @allcfiles);
@ -71,37 +71,40 @@ if (not defined $opt{'k'}) {
$opt{'k'} = "Module.symvers"; $opt{'k'} = "Module.symvers";
} }
unless (open(MODULE_SYMVERS, $opt{'k'})) { open (my $module_symvers, '<', $opt{'k'})
die "Sorry, cannot open $opt{'k'}: $!\n"; or die "Sorry, cannot open $opt{'k'}: $!\n";
}
if (defined $opt{'o'}) { if (defined $opt{'o'}) {
unless (open(OUTPUT_HANDLE, ">$opt{'o'}")) { open (my $out, '>', $opt{'o'})
die "Sorry, cannot open $opt{'o'} $!\n"; or die "Sorry, cannot open $opt{'o'} $!\n";
}
select OUTPUT_HANDLE; select $out;
} }
# #
# collect all the symbols and their attributes from the # collect all the symbols and their attributes from the
# Module.symvers file # Module.symvers file
# #
while ( <MODULE_SYMVERS> ) { while ( <$module_symvers> ) {
chomp; chomp;
my (undef, $symbol, $module, $gpl) = split; my (undef, $symbol, $module, $gpl) = split;
$SYMBOL { $symbol } = [ $module , "0" , $symbol, $gpl]; $SYMBOL { $symbol } = [ $module , "0" , $symbol, $gpl];
} }
close(MODULE_SYMVERS); close($module_symvers);
# #
# collect the usage count of each symbol. # collect the usage count of each symbol.
# #
foreach my $thismod (@allcfiles) { foreach my $thismod (@allcfiles) {
unless (open(MODULE_MODULE, $thismod)) { my $module;
print "Sorry, cannot open $thismod: $!\n";
unless (open ($module, '<', $thismod)) {
warn "Sorry, cannot open $thismod: $!\n";
next; next;
} }
my $state=0; my $state=0;
while ( <MODULE_MODULE> ) { while ( <$module> ) {
chomp; chomp;
if ($state == 0) { if ($state == 0) {
$state = 1 if ($_ =~ /static const struct modversion_info/); $state = 1 if ($_ =~ /static const struct modversion_info/);
@ -124,7 +127,7 @@ foreach my $thismod (@allcfiles) {
if ($state != 2) { if ($state != 2) {
print "WARNING:$thismod is not built with CONFIG_MODVERSION enabled\n"; print "WARNING:$thismod is not built with CONFIG_MODVERSION enabled\n";
} }
close(MODULE_MODULE); close($module);
} }
print "\tThis file reports the exported symbols usage patterns by in-tree\n", print "\tThis file reports the exported symbols usage patterns by in-tree\n",