From 67b7ebe091cd92fd69f732da3170720d79c4e632 Mon Sep 17 00:00:00 2001 From: Amerigo Wang Date: Thu, 4 Jun 2009 22:12:01 -0400 Subject: [PATCH] kbuild/headers_check: refine extern check 'extern' checking information is not clear, refine it. Plus, fix a comment. Signed-off-by: WANG Cong [sam: redid the extern error message] Acked-by: Arnd Bergmann Signed-off-by: Sam Ravnborg --- scripts/headers_check.pl | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl index 4414c43857a..db1dd7a549f 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"; } }