linux-kernel - [ammarfaizi2-block:kvalo/ath/pending 3/10] drivers/net/wireless/ath/ath9k/hif_usb.c:251:57: warning: suggest braces around empty body in an 'else' statement

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Date:   Wed, 22 Jun 2022 21:10:30 +0800
From:   kernel test robot <lkp@...el.com>
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     kbuild-all@...ts.01.org,
        GNU/Weeb Mailing List <gwml@...r.gnuweeb.org>,
        linux-kernel@...r.kernel.org, Kalle Valo <quic_kvalo@...cinc.com>
Subject: [ammarfaizi2-block:kvalo/ath/pending 3/10]
 drivers/net/wireless/ath/ath9k/hif_usb.c:251:57: warning: suggest braces
 around empty body in an 'else' statement

tree:   https://github.com/ammarfaizi2/linux-block kvalo/ath/pending
head:   ff1c40050ac3ca6a55ccc7970e37503e75465977
commit: d7fc76039b74ad37b7056d5607b05d7cb31a5404 [3/10] ath9k: htc: clean up statistics macros
config: xtensa-randconfig-r033-20220622 (https://download.01.org/0day-ci/archive/20220622/202206222110.WLZh7cQf-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 11.3.0
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://github.com/ammarfaizi2/linux-block/commit/d7fc76039b74ad37b7056d5607b05d7cb31a5404
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block kvalo/ath/pending
        git checkout d7fc76039b74ad37b7056d5607b05d7cb31a5404
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=xtensa SHELL=/bin/bash drivers/net/wireless/ath/ath9k/

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

All warnings (new ones prefixed by >>):

   drivers/net/wireless/ath/ath9k/hif_usb.c: In function 'ath9k_skb_queue_complete':
>> drivers/net/wireless/ath/ath9k/hif_usb.c:251:57: warning: suggest braces around empty body in an 'else' statement [-Wempty-body]
     251 |                         TX_STAT_INC(hif_dev, skb_failed);
         |                                                         ^


vim +/else +251 drivers/net/wireless/ath/ath9k/hif_usb.c

   233	
   234	static inline void ath9k_skb_queue_complete(struct hif_device_usb *hif_dev,
   235						    struct sk_buff_head *queue,
   236						    bool txok)
   237	{
   238		struct sk_buff *skb;
   239	
   240		while ((skb = __skb_dequeue(queue)) != NULL) {
   241	#ifdef CONFIG_ATH9K_HTC_DEBUGFS
   242			int ln = skb->len;
   243	#endif
   244			ath9k_htc_txcompletion_cb(hif_dev->htc_handle,
   245						  skb, txok);
   246			if (txok) {
   247				TX_STAT_INC(hif_dev, skb_success);
   248				TX_STAT_ADD(hif_dev, skb_success_bytes, ln);
   249			}
   250			else
 > 251				TX_STAT_INC(hif_dev, skb_failed);
   252		}
   253	}
   254	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp