drivers/net/wireless/mediatek/mt76/debugfs.c:77:16: error: variable 'queued' set but not used

From: kernel test robot
Date: Sun Nov 07 2021 - 17:07:49 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 6b75d88fa81b122cce37ebf17428a849ccd3d0f1
commit: 2d8be76c16746f1c90f4a01c188b6aad190b747e mt76: debugfs: improve queue node readability
date: 3 weeks ago
config: m68k-buildonly-randconfig-r003-20211108 (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
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=2d8be76c16746f1c90f4a01c188b6aad190b747e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 2d8be76c16746f1c90f4a01c188b6aad190b747e
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/net/wireless/mediatek/mt76/debugfs.c: In function 'mt76_rx_queues_read':
>> drivers/net/wireless/mediatek/mt76/debugfs.c:77:16: error: variable 'queued' set but not used [-Werror=unused-but-set-variable]
77 | int i, queued;
| ^~~~~~
cc1: all warnings being treated as errors


vim +/queued +77 drivers/net/wireless/mediatek/mt76/debugfs.c

17f1de56df0512 Felix Fietkau 2017-11-21 73
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 74 static int mt76_rx_queues_read(struct seq_file *s, void *data)
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 75 {
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 76 struct mt76_dev *dev = dev_get_drvdata(s->private);
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 @77 int i, queued;
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 78
2d8be76c16746f Lorenzo Bianconi 2021-09-25 79 seq_puts(s, " queue | hw-queued | head | tail |\n");
f473b42ac516be Felix Fietkau 2020-05-24 80 mt76_for_each_q_rx(dev, i) {
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 81 struct mt76_queue *q = &dev->q_rx[i];
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 82
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 83 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
2d8be76c16746f Lorenzo Bianconi 2021-09-25 84 seq_printf(s, " %9d | %9d | %9d | %9d |\n",
2d8be76c16746f Lorenzo Bianconi 2021-09-25 85 i, q->queued, q->head, q->tail);
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 86 }
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 87
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 88 return 0;
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 89 }
6ea62c50792c6a Lorenzo Bianconi 2020-04-19 90

:::::: The code at line 77 was first introduced by commit
:::::: 6ea62c50792c6ad8b283c02d19f4304c7f3a3ccf mt76: add rx queues info to mt76 debugfs

:::::: TO: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
:::::: CC: Felix Fietkau <nbd@xxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

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