Hi Zhiwei,

Thank you for the patch! Perhaps something to improve:

url:    
https://github.com/0day-ci/linux/commits/Zhiwei-Jiang/ath-move-spin_lock_bh-to-spin_lock-in-tasklet/20190121-185529
base:   
https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next.git 
master

smatch warnings:
drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:584 ath9k_tx_failed_tasklet() 
warn: inconsistent returns 'bottom_half:'.
  Locked on:   line 584
  Unlocked on: line 580

# 
https://github.com/0day-ci/linux/commit/953929a8fc22ae7ab9adafed62c84a11c4be2270
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout 953929a8fc22ae7ab9adafed62c84a11c4be2270
vim +584 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c

27876a29 Sujith Manoharan 2011-04-13  572  
27876a29 Sujith Manoharan 2011-04-13  573  void 
ath9k_tx_failed_tasklet(unsigned long data)
27876a29 Sujith Manoharan 2011-04-13  574  {
27876a29 Sujith Manoharan 2011-04-13  575       struct ath9k_htc_priv *priv = 
(struct ath9k_htc_priv *)data;
b587fc81 Sujith Manoharan 2011-04-13  576  
953929a8 Zhiwei Jiang     2019-01-19  577       spin_lock(&priv->tx.tx_lock);
27876a29 Sujith Manoharan 2011-04-13  578       if (priv->tx.flags & 
ATH9K_HTC_OP_TX_DRAIN) {
27876a29 Sujith Manoharan 2011-04-13  579               
spin_unlock_bh(&priv->tx.tx_lock);
                                                                   ^^^
Missed this one.

27876a29 Sujith Manoharan 2011-04-13  580               return;
b587fc81 Sujith Manoharan 2011-04-13  581       }
953929a8 Zhiwei Jiang     2019-01-19  582       spin_unlock(&priv->tx.tx_lock);
b587fc81 Sujith Manoharan 2011-04-13  583  
27876a29 Sujith Manoharan 2011-04-13 @584       ath9k_htc_tx_drainq(priv, 
&priv->tx.tx_failed);
b587fc81 Sujith Manoharan 2011-04-13  585  }
27876a29 Sujith Manoharan 2011-04-13  586  

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0-DAY kernel test infrastructure                Open Source Technology Center
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