On Monday 06 April 2015 10:04:52 Jeff Layton wrote:
> > diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
> > index 665ef5a..a563ddb 100644
> > --- a/fs/lockd/svcsubs.c
> > +++ b/fs/lockd/svcsubs.c
> > @@ -31,7 +31,7 @@
> > static struct hlist_head nlm_files[FILE_NRHASH];
> > static DEFINE_MUTEX(nlm_file_mutex);
> >
> > -#ifdef NFSD_DEBUG
> > +#ifdef CONFIG_SUNRPC_DEBUG
>
> Technically, you should use #if IS_ENABLED(CONFIG_SUNRPC_DEBUG). That's
> supposed to help the compiler do checking of the code inside the block
> even when it's not defined.
You probably meant the right thing and wrote something else: you should use
'if (IS_ENABLED(CONFIG_SUNRPC_DEBUG)) { ... }' to get that effect, but that
only works within a function. '#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)' is just
a nicer way to write '#if defined(CONFIG_SUNRPC_DEBUG) ||
defined(CONFIG_SUNRPC_DEBUG_MODULE)', which is harmless but pointless here
as the symbol would never be set to 'm'.
Arnd
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