On Sat, Jun 06, 2009 at 12:46:07AM +0000, Arnd Bergmann wrote:
> On Friday 05 June 2009 11:42:36 pm Sam Ravnborg wrote:
> > From: Amerigo Wang <amwang@xxxxxxxxxx>
> >
> > 'extern' checking information is not clear, refine it.
> > Plus, fix a comment.
> >
> > Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
> > Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
>
> I still think this is pointless and should just be removed
> (or replaced with a patch to kill the apostrophe in there).
So you wanted me to visit that link...
I redid it like this:
Subject: kbuild/headers_check: refine extern check
'extern' checking information is not clear, refine it.
Plus, fix a comment.
Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
[sam: redid the extern error message]
Signed-off-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
---
diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
index 4414c43..db1dd7a 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";
}
}
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