On Fri, 14 May 2021 at 16:10, Greg Kroah-Hartman
<gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
On Fri, May 14, 2021 at 04:00:08PM +0200, Arnd Bergmann wrote:[...]
From: Arnd Bergmann <arnd@xxxxxxxx>
clang points out that an initcall funciton should return an 'int':
kernel/kcsan/debugfs.c:274:15: error: returning 'void' from a function with incompatible result type 'int'
late_initcall(kcsan_debugfs_init);
~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
include/linux/init.h:292:46: note: expanded from macro 'late_initcall'
#define late_initcall(fn) __define_initcall(fn, 7)
Fixes: e36299efe7d7 ("kcsan, debugfs: Move debugfs file creation out of early init")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
Thanks for catching this -- it boggles my mind why gcc nor clang
wouldn't warn about this by default...
Is this a new clang?