Re: + lib-remove-dead-code.patch added to mm-nonmm-unstable branch

Re: + lib-remove-dead-code.patch added to mm-nonmm-unstable branch

[Ariel Otilibili-Anieli]

On Friday, December 20, 2024 00:13 CET, Andrew Morton <akpm@linux-foundation.org> wrote:

> 
> The patch titled
>      Subject: lib/inflate.c: remove dead code
> has been added to the -mm mm-nonmm-unstable branch.  Its filename is
>      lib-remove-dead-code.patch
> 
> This patch will shortly appear at
>      https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-remove-dead-code.patch
> 
> This patch will later appear in the mm-nonmm-unstable branch at
>     git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> 
> Before you just go and hit "reply", please:
>    a) Consider who else should be cc'ed

Hello Andrew,

Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Cc: xen-devel@lists.xenproject.org

https://lore.kernel.org/lkml/20241219224645.749233-1-ariel.otilibili-anieli@eurecom.fr/

Thank you,
Ariel
>    b) Prefer to cc a suitable mailing list as well
>    c) Ideally: find the original patch on the mailing list and do a
>       reply-to-all to that, adding suitable additional cc's
> 
> *** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
> 
> The -mm tree is included into linux-next via the mm-everything
> branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
> and is updated there every 2-3 working days
> 
> ------------------------------------------------------
> From: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
> Subject: lib/inflate.c: remove dead code
> Date: Thu, 19 Dec 2024 10:21:12 +0100
> 
> This is a follow up from a discussion in Xen:
> 
> The if-statement tests that `res` is non-zero; meaning the case zero is
> never reached.
> 
> Link: https://lore.kernel.org/all/7587b503-b2ca-4476-8dc9-e9683d4ca5f0@suse.com/
> Link: https://lkml.kernel.org/r/20241219092615.644642-2-ariel.otilibili-anieli@eurecom.fr
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Signed-off-by: Ariel Otilibili <ariel.otilibili-anieli@eurecom.fr>
> Suggested-by: Jan Beulich <jbeulich@suse.com>
> Cc: Andrew Cooper <andrew.cooper3@citrix.com>
> Cc: Anthony PERARD <anthony.perard@vates.tech>
> Cc: Michal Orzel <michal.orzel@amd.com>
> Cc: Julien Grall <julien@xen.org>
> Cc: Roger Pau Monné <roger.pau@citrix.com>
> Cc: Stefano Stabellini <sstabellini@kernel.org>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
> ---
> 
>  lib/inflate.c |    2 --
>  1 file changed, 2 deletions(-)
> 
> --- a/lib/inflate.c~lib-remove-dead-code
> +++ a/lib/inflate.c
> @@ -1257,8 +1257,6 @@ static int INIT gunzip(void)
>      /* Decompress */
>      if ((res = inflate())) {
>  	    switch (res) {
> -	    case 0:
> -		    break;
>  	    case 1:
>  		    error("invalid compressed format (err=1)");
>  		    break;
> _
> 
> Patches currently in -mm which might be from ariel.otilibili-anieli@eurecom.fr are
> 
> lib-remove-dead-code.patch
>