> Some headers don't bother with "extern" in function prototypes,
> which results in said prototypes being unnoticed and exported
> to userland.
>
> This patch slightly improves detection of such cases by checking
> for C type names as well in the beginning of a line.
>
> Signed-off-by: Alexander Shishkin <virtuoso@slind.org>
> CC: Stephen Hemminger <shemminger@vyatta.com>
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: Michal Marek <mmarek@suse.cz>
> CC: WANG Cong <amwang@redhat.com>
> CC:
linux-kernel@vger.kernel.org
> ---
> scripts/headers_check.pl | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/scripts/headers_check.pl b/scripts/headers_check.pl
> index 50d6cfd..e0e25a1 100644
> --- a/scripts/headers_check.pl
> +++ b/scripts/headers_check.pl
> @@ -64,7 +64,7 @@ sub check_include
>
> sub check_declarations
> {
> - if ($line =~m/^\s*extern\b/) {
> + if ($line =~m/^(\s*extern|unsigned|char|short|int|long|void)\b/) {
> printf STDERR "$filename:$lineno: " .
> "userspace cannot call function or variable " .
