Re: [PATCH] [v13] wireless: Initial driver submission for pureLiFi STA devices

From: kernel test robot
Date: Fri Feb 12 2021 - 10:08:53 EST


Hi Srinivasan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on wireless-drivers-next/master]
[also build test WARNING on wireless-drivers/master net-next/master net/master linus/master sparc-next/master v5.11-rc7 next-20210211]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url: https://github.com/0day-ci/linux/commits/Srinivasan-Raju/wireless-Initial-driver-submission-for-pureLiFi-STA-devices/20210212-195451
base: https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git master
config: arm64-allyesconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/5d8fb5ce1f136940c10fd16bc96856d2f6ad2741
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Srinivasan-Raju/wireless-Initial-driver-submission-for-pureLiFi-STA-devices/20210212-195451
git checkout 5d8fb5ce1f136940c10fd16bc96856d2f6ad2741
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64

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

All warnings (new ones prefixed by >>):

drivers/net/wireless/purelifi/plfxlc/mac.c: In function 'purelifi_mac_tx_status':
>> drivers/net/wireless/purelifi/plfxlc/mac.c:219:19: warning: variable 'retry' set but not used [-Wunused-but-set-variable]
219 | int success = 1, retry = 1;
| ^~~~~


vim +/retry +219 drivers/net/wireless/purelifi/plfxlc/mac.c

198
199 /**
200 * purelifi_mac_tx_status - reports tx status of a packet if required
201 * @hw - a &struct ieee80211_hw pointer
202 * @skb - a sk-buffer
203 * @flags: extra flags to set in the TX status info
204 * @ackssi: ACK signal strength
205 * @success - True for successful transmission of the frame
206 *
207 * This information calls ieee80211_tx_status_irqsafe() if required by the
208 * control information. It copies the control information into the status
209 * information.
210 *
211 * If no status information has been requested, the skb is freed.
212 */
213 static void purelifi_mac_tx_status(struct ieee80211_hw *hw,
214 struct sk_buff *skb,
215 int ackssi,
216 struct tx_status *tx_status)
217 {
218 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
> 219 int success = 1, retry = 1;
220
221 ieee80211_tx_info_clear_status(info);
222
223 if (tx_status) {
224 success = !tx_status->failure;
225 retry = tx_status->retry + success;
226 }
227
228 if (success)
229 info->flags |= IEEE80211_TX_STAT_ACK;
230 else
231 info->flags &= ~IEEE80211_TX_STAT_ACK;
232
233 info->status.ack_signal = 50;
234 ieee80211_tx_status_irqsafe(hw, skb);
235 }
236

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

Attachment: .config.gz
Description: application/gzip