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* drivers/net/wireless/intel/ipw2x00/ipw2200.c:7151:21: warning: variable 'supported' set but not used
@ 2023-02-06  3:12 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2023-02-06  3:12 UTC (permalink / raw)
  To: Stafford Horne; +Cc: oe-kbuild-all, linux-kernel

Hi Stafford,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d2d11f342b179f1894a901f143ec7c008caba43e
commit: ded2ee36313c941f1a12b6f85cde295b575264ae openrisc: Add pci bus support
date:   6 months ago
config: openrisc-randconfig-r005-20230206 (https://download.01.org/0day-ci/archive/20230206/202302061152.0TfxrnEz-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ded2ee36313c941f1a12b6f85cde295b575264ae
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ded2ee36313c941f1a12b6f85cde295b575264ae
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash drivers/net/wireless/intel/ipw2x00/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/net/wireless/intel/ipw2x00/ipw2200.c: In function 'ipw_fw_dma_dump_command_block':
   drivers/net/wireless/intel/ipw2x00/ipw2200.c:2819:13: warning: variable 'register_value' set but not used [-Wunused-but-set-variable]
    2819 |         u32 register_value = 0;
         |             ^~~~~~~~~~~~~~
   drivers/net/wireless/intel/ipw2x00/ipw2200.c: In function 'ipw_is_qos_active':
>> drivers/net/wireless/intel/ipw2x00/ipw2200.c:7151:21: warning: variable 'supported' set but not used [-Wunused-but-set-variable]
    7151 |         int active, supported;
         |                     ^~~~~~~~~


vim +/supported +7151 drivers/net/wireless/intel/ipw2x00/ipw2200.c

43f66a6ce8da29 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-03-25  7145  
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7146  static int ipw_is_qos_active(struct net_device *dev,
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7147  			     struct sk_buff *skb)
43f66a6ce8da29 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-03-25  7148  {
b0a4e7d8a291de drivers/net/wireless/ipw2x00/ipw2200.c John W. Linville 2009-08-20  7149  	struct ipw_priv *priv = libipw_priv(dev);
b0a4e7d8a291de drivers/net/wireless/ipw2x00/ipw2200.c John W. Linville 2009-08-20  7150  	struct libipw_qos_data *qos_data = NULL;
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24 @7151  	int active, supported;
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7152  	u8 *daddr = skb->data + ETH_ALEN;
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7153  	int unicast = !is_multicast_ether_addr(daddr);
43f66a6ce8da29 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-03-25  7154  
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7155  	if (!(priv->status & STATUS_ASSOCIATED))
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7156  		return 0;
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7157  
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7158  	qos_data = &priv->assoc_network->qos_data;
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7159  
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7160  	if (priv->ieee->iw_mode == IW_MODE_ADHOC) {
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7161  		if (unicast == 0)
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7162  			qos_data->active = 0;
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7163  		else
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7164  			qos_data->active = qos_data->supported;
43f66a6ce8da29 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-03-25  7165  	}
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7166  	active = qos_data->active;
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7167  	supported = qos_data->supported;
afbf30a2b78cac drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-25  7168  	IPW_DEBUG_QOS("QoS  %d network is QoS active %d  supported %d  "
afbf30a2b78cac drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-25  7169  		      "unicast %d\n",
b095c3819805f8 drivers/net/wireless/ipw2200.c         James Ketrenos   2005-08-24  7170  		      priv->qos_data.qos_enable, active, supported, unicast);
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7171  	if (active && priv->qos_data.qos_enable)
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7172  		return 1;
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7173  
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7174  	return 0;
a5cf4fe65144ff drivers/net/wireless/ipw2200.c         Zhu Yi           2006-04-13  7175  

:::::: The code at line 7151 was first introduced by commit
:::::: b095c3819805f87d73d41641a53e4c070360d783 Catch ipw2200 up to equivelancy with v1.0.4

:::::: TO: James Ketrenos <jketreno@linux.intel.com>
:::::: CC: James Ketrenos <jketreno@linux.intel.com>

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

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