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Date: Fri, 23 Aug 2024 18:27:49 +0100
From: Simon Horman <simon@horms.net>
To: kernel test robot <lkp@intel.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	devel@driverdev.osuosl.org,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [staging:staging-testing 36/53]
 drivers/staging/rtl8192e/rtllib_crypt_tkip.c:640:7: warning: variable 'iv16'
 set but not used
Message-ID: <20240823172749.GA2164@vergenet.net>
References: <202408232049.UJef268y-lkp@intel.com>
 <20240823171649.GZ2164@vergenet.net>
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On Fri, Aug 23, 2024 at 06:16:49PM +0100, Simon Horman wrote:
> On Fri, Aug 23, 2024 at 08:35:15PM +0800, kernel test robot wrote:
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git staging-testing
> > head:   5315266844ea3b0b8b6be9842d5901e439fa838a
> > commit: 5f1a6826ea4900f8540d5eeb29f97796860f2d08 [36/53] staging: rtl8192e: remove set but otherwise unused local variable iv32
> > config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240823/202408232049.UJef268y-lkp@intel.com/config)
> > compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
> > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240823/202408232049.UJef268y-lkp@intel.com/reproduce)
> > 
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@intel.com>
> > | Closes: https://lore.kernel.org/oe-kbuild-all/202408232049.UJef268y-lkp@intel.com/
> > 
> > All warnings (new ones prefixed by >>):
> > 
> > >> drivers/staging/rtl8192e/rtllib_crypt_tkip.c:640:7: warning: variable 'iv16' set but not used [-Wunused-but-set-variable]
> >      640 |                 u16 iv16 = tkey->tx_iv16;
> >          |                     ^
> >    1 warning generated.
> 
> Sorry about this.
> 
> It seems that my patch, cited above, which removed a set but otherwise
> unused variable results in iv16 being set but otherwise unused.
> 
> I'll prepare a follow-up patch to address this.

Patch is here:

- [PATCH] staging: rtl8192e: remove set but otherwise unused local variable iv16
  https://lore.kernel.org/linux-staging/20240823-rtl8192e-iv16-v1-1-000702673065@kernel.org/T/#u