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From: kernel test robot <lkp@intel.com>
To: David Lin <yu-hao.lin@nxp.com>, linux-wireless@vger.kernel.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-kernel@vger.kernel.org, briannorris@chromium.org,
	kvalo@kernel.org, francesco@dolcini.it,
	tsung-hsien.hsieh@nxp.com, David Lin <yu-hao.lin@nxp.com>
Subject: Re: [PATCH 42/43] wifi: nxpwifi: add Makefile and Kconfig files for nxpwifi compilation
Date: Wed, 26 Jun 2024 08:19:02 +0800	[thread overview]
Message-ID: <202406260755.fqLnsFhr-lkp@intel.com> (raw)
In-Reply-To: <20240621075208.513497-43-yu-hao.lin@nxp.com>

Hi David,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 238d636723a30311e20fde0a361662e829fe488b]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Lin/wifi-nxpwifi-add-11ac-c/20240625-161306
base:   238d636723a30311e20fde0a361662e829fe488b
patch link:    https://lore.kernel.org/r/20240621075208.513497-43-yu-hao.lin%40nxp.com
patch subject: [PATCH 42/43] wifi: nxpwifi: add Makefile and Kconfig files for nxpwifi compilation
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240626/202406260755.fqLnsFhr-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/20240626/202406260755.fqLnsFhr-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/202406260755.fqLnsFhr-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/net/wireless/nxp/nxpwifi/11h.c:208:7: warning: variable 'chan2_offset' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     208 |         case NL80211_CHAN_WIDTH_80P80:
         |              ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:214:16: note: uninitialized use occurs here
     214 |         *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
         |                       ^~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:209:7: warning: variable 'chan2_offset' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     209 |         case NL80211_CHAN_WIDTH_160:
         |              ^~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:214:16: note: uninitialized use occurs here
     214 |         *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
         |                       ^~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:192:7: warning: variable 'chan2_offset' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     192 |         case NL80211_CHAN_WIDTH_20_NOHT:
         |              ^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:214:16: note: uninitialized use occurs here
     214 |         *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
         |                       ^~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:193:7: warning: variable 'chan2_offset' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     193 |         case NL80211_CHAN_WIDTH_20:
         |              ^~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:214:16: note: uninitialized use occurs here
     214 |         *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
         |                       ^~~~~~~~~~~~
>> drivers/net/wireless/nxp/nxpwifi/11h.c:210:2: warning: variable 'chan2_offset' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
     210 |         default:
         |         ^~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:214:16: note: uninitialized use occurs here
     214 |         *band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
         |                       ^~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:178:40: note: initialize the variable 'chan2_offset' to silence this warning
     178 |         u8 chan_band, chan_width, chan2_offset;
         |                                               ^
         |                                                = '\0'
>> drivers/net/wireless/nxp/nxpwifi/11h.c:208:7: warning: variable 'chan_width' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     208 |         case NL80211_CHAN_WIDTH_80P80:
         |              ^~~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:216:9: note: uninitialized use occurs here
     216 |                     ((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) &
         |                       ^~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:209:7: warning: variable 'chan_width' is used uninitialized whenever switch case is taken [-Wsometimes-uninitialized]
     209 |         case NL80211_CHAN_WIDTH_160:
         |              ^~~~~~~~~~~~~~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:216:9: note: uninitialized use occurs here
     216 |                     ((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) &
         |                       ^~~~~~~~~~
>> drivers/net/wireless/nxp/nxpwifi/11h.c:210:2: warning: variable 'chan_width' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
     210 |         default:
         |         ^~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:216:9: note: uninitialized use occurs here
     216 |                     ((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) &
         |                       ^~~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:178:26: note: initialize the variable 'chan_width' to silence this warning
     178 |         u8 chan_band, chan_width, chan2_offset;
         |                                 ^
         |                                  = '\0'
>> drivers/net/wireless/nxp/nxpwifi/11h.c:187:2: warning: variable 'chan_band' is used uninitialized whenever switch default is taken [-Wsometimes-uninitialized]
     187 |         default:
         |         ^~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:218:9: note: uninitialized use occurs here
     218 |                     ((chan_band << BAND_CFG_CHAN_BAND_SHIFT_BIT) &
         |                       ^~~~~~~~~
   drivers/net/wireless/nxp/nxpwifi/11h.c:178:14: note: initialize the variable 'chan_band' to silence this warning
     178 |         u8 chan_band, chan_width, chan2_offset;
         |                     ^
         |                      = '\0'
   9 warnings generated.


vim +/chan2_offset +208 drivers/net/wireless/nxp/nxpwifi/11h.c

647388e635d138 David Lin 2024-06-21  174  
647388e635d138 David Lin 2024-06-21  175  static void nxpwifi_convert_chan_to_band_cfg(u8 *band_cfg,
647388e635d138 David Lin 2024-06-21  176  					     struct cfg80211_chan_def *chan_def)
647388e635d138 David Lin 2024-06-21  177  {
647388e635d138 David Lin 2024-06-21  178  	u8 chan_band, chan_width, chan2_offset;
647388e635d138 David Lin 2024-06-21  179  
647388e635d138 David Lin 2024-06-21  180  	switch (chan_def->chan->band) {
647388e635d138 David Lin 2024-06-21  181  	case NL80211_BAND_2GHZ:
647388e635d138 David Lin 2024-06-21  182  		chan_band = BAND_2GHZ;
647388e635d138 David Lin 2024-06-21  183  		break;
647388e635d138 David Lin 2024-06-21  184  	case NL80211_BAND_5GHZ:
647388e635d138 David Lin 2024-06-21  185  		chan_band = BAND_5GHZ;
647388e635d138 David Lin 2024-06-21  186  		break;
647388e635d138 David Lin 2024-06-21 @187  	default:
647388e635d138 David Lin 2024-06-21  188  		break;
647388e635d138 David Lin 2024-06-21  189  	}
647388e635d138 David Lin 2024-06-21  190  
647388e635d138 David Lin 2024-06-21  191  	switch (chan_def->width) {
647388e635d138 David Lin 2024-06-21  192  	case NL80211_CHAN_WIDTH_20_NOHT:
647388e635d138 David Lin 2024-06-21  193  	case NL80211_CHAN_WIDTH_20:
647388e635d138 David Lin 2024-06-21  194  		chan_width = CHAN_BW_20MHZ;
647388e635d138 David Lin 2024-06-21  195  		break;
647388e635d138 David Lin 2024-06-21  196  	case NL80211_CHAN_WIDTH_40:
647388e635d138 David Lin 2024-06-21  197  		chan_width = CHAN_BW_40MHZ;
647388e635d138 David Lin 2024-06-21  198  		if (chan_def->center_freq1 > chan_def->chan->center_freq)
647388e635d138 David Lin 2024-06-21  199  			chan2_offset = SEC_CHAN_ABOVE;
647388e635d138 David Lin 2024-06-21  200  		else
647388e635d138 David Lin 2024-06-21  201  			chan2_offset = SEC_CHAN_BELOW;
647388e635d138 David Lin 2024-06-21  202  		break;
647388e635d138 David Lin 2024-06-21  203  	case NL80211_CHAN_WIDTH_80:
647388e635d138 David Lin 2024-06-21  204  		chan2_offset =
647388e635d138 David Lin 2024-06-21  205  			nxpwifi_get_channel_2_offset(chan_def->chan->hw_value);
647388e635d138 David Lin 2024-06-21  206  		chan_width = CHAN_BW_80MHZ;
647388e635d138 David Lin 2024-06-21  207  		break;
647388e635d138 David Lin 2024-06-21 @208  	case NL80211_CHAN_WIDTH_80P80:
647388e635d138 David Lin 2024-06-21  209  	case NL80211_CHAN_WIDTH_160:
647388e635d138 David Lin 2024-06-21 @210  	default:
647388e635d138 David Lin 2024-06-21  211  		break;
647388e635d138 David Lin 2024-06-21  212  	}
647388e635d138 David Lin 2024-06-21  213  
647388e635d138 David Lin 2024-06-21 @214  	*band_cfg = ((chan2_offset << BAND_CFG_CHAN2_SHIFT_BIT) &
647388e635d138 David Lin 2024-06-21  215  		     BAND_CFG_CHAN2_OFFSET_MASK) |
647388e635d138 David Lin 2024-06-21 @216  		    ((chan_width << BAND_CFG_CHAN_WIDTH_SHIFT_BIT) &
647388e635d138 David Lin 2024-06-21  217  		     BAND_CFG_CHAN_WIDTH_MASK) |
647388e635d138 David Lin 2024-06-21  218  		    ((chan_band << BAND_CFG_CHAN_BAND_SHIFT_BIT) &
647388e635d138 David Lin 2024-06-21  219  		     BAND_CFG_CHAN_BAND_MASK);
647388e635d138 David Lin 2024-06-21  220  }
647388e635d138 David Lin 2024-06-21  221  

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

  reply	other threads:[~2024-06-26  0:19 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-21  7:51 [PATCH 00/43] wifi: nxpwifi: create nxpwifi to support iw61x David Lin
2024-06-21  7:51 ` [PATCH 01/43] wifi: nxpwifi: add 11ac.c David Lin
2024-06-28  8:22   ` Abel Vesa
2024-07-01  0:46     ` [EXT] " David Lin
2024-06-21  7:51 ` [PATCH 02/43] wifi: nxpwifi: add 11ac.h David Lin
2024-06-21  7:51 ` [PATCH 03/43] wifi: nxpwifi: add 11h.c David Lin
2024-06-21  7:51 ` [PATCH 04/43] wifi: nxpwifi: add 11n.c David Lin
2024-06-21  7:51 ` [PATCH 05/43] wifi: nxpwifi: add 11n.h David Lin
2024-06-21  7:51 ` [PATCH 06/43] wifi: nxpwifi: add 11n_aggr.c David Lin
2024-06-21  7:51 ` [PATCH 07/43] wifi: nxpwifi: add 11n_aggr.h David Lin
2024-06-21  7:51 ` [PATCH 08/43] wifi: nxpwifi: add 11n_rxreorder.c David Lin
2024-06-21  7:51 ` [PATCH 09/43] wifi: nxpwifi: add 11n_rxreorder.h David Lin
2024-06-21  7:51 ` [PATCH 10/43] wifi: nxpwifi: add cfg80211.c David Lin
2024-06-21  7:51 ` [PATCH 11/43] wifi: nxpwifi: add cfg80211.h David Lin
2024-06-21  7:51 ` [PATCH 12/43] wifi: nxpwifi: add cfp.c David Lin
2024-06-21  7:51 ` [PATCH 13/43] wifi: nxpwifi: add cmdevt.c David Lin
2024-06-21  7:51 ` [PATCH 14/43] wifi: nxpwifi: add cmdevt.h David Lin
2024-06-21  7:51 ` [PATCH 15/43] wifi: nxpwifi: add debugfs.c David Lin
2024-06-21  7:51 ` [PATCH 16/43] wifi: nxpwifi: add decl.h David Lin
2024-06-21  7:51 ` [PATCH 17/43] wifi: nxpwifi: add ethtool.c David Lin
2024-06-21  7:51 ` [PATCH 18/43] wifi: nxpwifi: add fw.h David Lin
2024-06-21  7:51 ` [PATCH 19/43] wifi: nxpwifi: add ie.c David Lin
2024-06-21  7:51 ` [PATCH 20/43] wifi: nxpwifi: add init.c David Lin
2024-06-21  7:51 ` [PATCH 21/43] wifi: nxpwifi: add ioctl.h David Lin
2024-06-21  7:51 ` [PATCH 22/43] wifi: nxpwifi: add join.c David Lin
2024-06-21  7:51 ` [PATCH 23/43] wifi: nxpwifi: add main.c David Lin
2024-06-21  7:51 ` [PATCH 24/43] wifi: nxpwifi: add main.h David Lin
2024-06-21  7:51 ` [PATCH 25/43] wifi: nxpwifi: add scan.c David Lin
2024-06-21  7:51 ` [PATCH 26/43] wifi: nxpwifi: add sdio.c David Lin
2024-06-26 11:40   ` [EXTERNAL] " Nemanov, Michael
2024-06-27  3:37     ` [EXT] " David Lin
2024-06-27  6:26       ` Nemanov, Michael
2024-06-27  6:33         ` [EXT] " David Lin
2024-06-21  7:51 ` [PATCH 27/43] wifi: nxpwifi: add sdio.h David Lin
2024-06-21  7:51 ` [PATCH 28/43] wifi: nxpwifi: add sta_cmd.c David Lin
2024-06-21  7:51 ` [PATCH 29/43] wifi: nxpwifi: add sta_event.c David Lin
2024-06-21  7:51 ` [PATCH 30/43] wifi: nxpwifi: add sta_ioctl.c David Lin
2024-06-21  7:51 ` [PATCH 31/43] wifi: nxpwifi: add sta_rx.c David Lin
2024-06-21  7:51 ` [PATCH 32/43] wifi: nxpwifi: add sta_tx.c David Lin
2024-06-21  7:51 ` [PATCH 33/43] wifi: nxpwifi: add txrx.c David Lin
2024-06-21  7:51 ` [PATCH 34/43] wifi: nxpwifi: add uap_cmd.c David Lin
2024-06-21  7:52 ` [PATCH 35/43] wifi: nxpwifi: add uap_event.c David Lin
2024-06-21  7:52 ` [PATCH 36/43] wifi: nxpwifi: add uap_txrx.c David Lin
2024-06-21  7:52 ` [PATCH 37/43] wifi: nxpwifi: add util.c David Lin
2024-06-21  7:52 ` [PATCH 38/43] wifi: nxpwifi: add util.h David Lin
2024-06-21  7:52 ` [PATCH 39/43] wifi: nxpwifi: add wmm.c David Lin
2024-06-21  7:52 ` [PATCH 40/43] wifi: nxpwifi: add wmm.h David Lin
2024-06-21  7:52 ` [PATCH 41/43] wifi: nxpwifi: add nxp sdio vendor id and iw61x device id David Lin
2024-06-21  7:52 ` [PATCH 42/43] wifi: nxpwifi: add Makefile and Kconfig files for nxpwifi compilation David Lin
2024-06-26  0:19   ` kernel test robot [this message]
2024-06-26  0:24   ` kernel test robot
2024-06-28  4:46   ` kernel test robot
2024-06-21  7:52 ` [PATCH 43/43] wifi: nxpwifi: add nxpwifi related information to MAINTAINERS David Lin
2024-06-21 17:53 ` [PATCH 00/43] wifi: nxpwifi: create nxpwifi to support iw61x Brian Norris
2024-06-21 18:20 ` Johannes Berg
2024-07-01  1:08   ` [EXT] " David Lin

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