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| author | Amerigo Wang <amwang@redhat.com> | 2009-06-04 22:12:01 -0400 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2009-06-09 22:37:56 +0200 |
| commit | 67b7ebe091cd92fd69f732da3170720d79c4e632 (patch) | |
| tree | 2e56df34060ab6524302c1bff421d229b9d69293 /scripts/headers_check.pl | |
| parent | 7211b8b9028854eee0d03ee6231440b7fb492521 (diff) | |
| download | lwn-67b7ebe091cd92fd69f732da3170720d79c4e632.tar.gz lwn-67b7ebe091cd92fd69f732da3170720d79c4e632.zip | |
kbuild/headers_check: refine extern check
'extern' checking information is not clear, refine it.
Plus, fix a comment.
Signed-off-by: WANG Cong <amwang@redhat.com>
[sam: redid the extern error message]
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/headers_check.pl')
| -rw-r--r-- | scripts/headers_check.pl | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl index 4414c43857ad..db1dd7a549f2 100644 --- a/scripts/headers_check.pl +++ b/scripts/headers_check.pl @@ -2,7 +2,7 @@ # # headers_check.pl execute a number of trivial consistency checks # -# Usage: headers_check.pl dir [files...] +# Usage: headers_check.pl dir arch [files...] # dir: dir to look for included files # arch: architecture # files: list of files to check @@ -37,7 +37,7 @@ foreach my $file (@files) { &check_include(); &check_asm_types(); &check_sizetypes(); - &check_prototypes(); + &check_declarations(); # Dropped for now. Too much noise &check_config(); } close FH; @@ -61,10 +61,12 @@ sub check_include } } -sub check_prototypes +sub check_declarations { - if ($line =~ m/^\s*extern\b/) { - printf STDERR "$filename:$lineno: extern's make no sense in userspace\n"; + if ($line =~m/^\s*extern\b/) { + printf STDERR "$filename:$lineno: " . + "userspace cannot call function or variable " . + "defined in the kernel\n"; } } |