Re: [PATCH] zstd: fix g_debuglevel export warning

From: Nick Terrell
Date: Tue Nov 21 2023 - 10:02:53 EST




> On Jun 16, 2023, at 10:44 AM, Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx> wrote:
>
> >
> The g_debuglevel variable in debug.c is only used when DEBUGLEVEL is
> defined to be above 2. This means by default there's no actual definition
> of this in the headers, so sparse is giving the following warning:
>
> lib/zstd/common/debug.c:24:5: warning: symbol 'g_debuglevel' was not declared. Should it be static?
>
> We can use the same check as in the header to remove this if it isn't
> going to be used, silencing the warning and removing a small bit of unused
> data.
>
> Signed-off-by: Ben Dooks <ben.dooks@xxxxxxxxxxxxxxx>

Thanks for the patch, I’ve applied it to my tree for v6.8.

Best,
Nick Terrell

> ---
> lib/zstd/common/debug.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/lib/zstd/common/debug.c b/lib/zstd/common/debug.c
> index bb863c9ea616..820520b93d2b 100644
> --- a/lib/zstd/common/debug.c
> +++ b/lib/zstd/common/debug.c
> @@ -21,4 +21,6 @@
>
> #include "debug.h"
>
> +#if (DEBUGLEVEL>=2)
> int g_debuglevel = DEBUGLEVEL;
> +#endif
> --
> 2.39.2
>