namespace: add source file location exceptions

Teach namespace checker about some special case files where the
source is in unusual location.  This fixes many of the source file
not found errors (more can be added), and also prevents false positives
for functions not being used.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index a71be6b7cdec..fd2d946fae23 100755
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -141,6 +141,26 @@ my %nameexception = (
     'VDSO32_sigreturn'  => 1,
 );
 
+# Files with exceptions to source file location
+my %sourceloc = (
+    'net/dccp/dccp_probe.o'     => 'probe',
+    'net/dccp/dccp_ipv4.o'      => 'ipv4',
+    'net/dccp/dccp_ipv6.o'      => 'ipv6',
+    'net/dccp/dccp_diag.o'      => 'diag',
+    'drivers/char/hw_random/rng-core.o' => 'core',
+    'fs/fat/msdos.o'            => 'namei_msdos',
+    'fs/fat/vfat.o'             => 'namei_vfat',
+    'fs/nfs_common/nfs_acl.o'   => 'nfsacl',
+    'sound/soundcore.o'         => 'sound_core',
+    'drivers/md/dm-mirror.o'    => 'dm-raid1',
+    'drivers/message/i2o/i2o_bus.o' => 'bus-osm',
+    'arch/x86/kvm/kvm-amd.o'    => 'svm',
+    'arch/x86/kvm/kvm-intel.o'  => 'vmx',
+    'arch/x86/crypto/twofish-x86_64.o' => 'twofish-x86_64-asm_64',
+    'arch/x86/crypto/aes-x86_64.o' => 'aes-x86_64-asm_64',
+    'arch/x86/crypto/aesni-intel.o' => 'aesni-intel_asm',
+    'arch/x86/crypto/salsa20-x86_64.o' => 'salsa20-x86_64-asm_64',
+);
 
 &find(\&linux_objects, '.');    # find the objects and do_nm on them
 &list_multiply_defined();
@@ -228,11 +248,15 @@ sub do_nm
                 return;
         }
         ($source = $basename) =~ s/\.o$//;
+
+        $source = $sourceloc{$fullname} if ($sourceloc{$fullname});
+
         if (-e "$source.c" || -e "$source.S") {
                 $source = "$objtree$File::Find::dir/$source";
         } else {
                 $source = "$srctree$File::Find::dir/$source";
         }
+
         if (! -e "$source.c" && ! -e "$source.S") {
                 # No obvious source, exclude the object if it is conglomerate
                 open(my $objdumpdata, "$objdump $basename|")