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Date: Sat, 16 Mar 2024 16:18:15 +0800
From: kernel test robot <lkp@intel.com>
To: Ayush Singh <ayushdevel1325@gmail.com>, linux-kernel@vger.kernel.org
Cc: oe-kbuild-all@lists.linux.dev, Ayush Singh <ayushdevel1325@gmail.com>,
	jkridner@beagleboard.org, robertcnelson@beagleboard.org,
	Vaishnav M A <vaishnav@beagleboard.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Tero Kristo <kristo@kernel.org>,
	Derek Kiernan <derek.kiernan@amd.com>,
	Dragan Cvetic <dragan.cvetic@amd.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jiri Slaby <jirislaby@kernel.org>,
	Johan Hovold <johan@kernel.org>, Alex Elder <elder@kernel.org>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-spi@vger.kernel.org, linux-serial@vger.kernel.org,
	greybus-dev@lists.linaro.org
Subject: Re: [PATCH v3 7/8] mikrobus: Add mikrobus driver
Message-ID: <202403161617.AYNy6qpP-lkp@intel.com>
References: <20240315184908.500352-8-ayushdevel1325@gmail.com>
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In-Reply-To: <20240315184908.500352-8-ayushdevel1325@gmail.com>

Hi Ayush,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 61996c073c9b070922ad3a36c981ca6ddbea19a5]

url:    https://github.com/intel-lab-lkp/linux/commits/Ayush-Singh/dt-bindings-misc-Add-mikrobus-connector/20240316-025407
base:   61996c073c9b070922ad3a36c981ca6ddbea19a5
patch link:    https://lore.kernel.org/r/20240315184908.500352-8-ayushdevel1325%40gmail.com
patch subject: [PATCH v3 7/8] mikrobus: Add mikrobus driver
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240316/202403161617.AYNy6qpP-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240316/202403161617.AYNy6qpP-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/202403161617.AYNy6qpP-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/misc/mikrobus/mikrobus_manifest.c: In function 'mikrobus_manifest_parse_devices':
>> drivers/misc/mikrobus/mikrobus_manifest.c:422:13: warning: variable 'retval' set but not used [-Wunused-but-set-variable]
     422 |         int retval, devcount = 0;
         |             ^~~~~~


vim +/retval +422 drivers/misc/mikrobus/mikrobus_manifest.c

   417	
   418	static int mikrobus_manifest_parse_devices(struct addon_board_info *board)
   419	{
   420		struct greybus_descriptor_device *desc_device;
   421		struct manifest_desc *desc, *next;
 > 422		int retval, devcount = 0;
   423	
   424		list_for_each_entry_safe(desc, next, &board->manifest_descs, links) {
   425			if (desc->type != GREYBUS_TYPE_DEVICE)
   426				continue;
   427	
   428			desc_device = desc->data;
   429			retval = mikrobus_manifest_attach_device(board, desc_device);
   430			devcount++;
   431		}
   432	
   433		return devcount;
   434	}
   435	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki