[ath6kl:pending 90/99] drivers/net/wireless/ath/ath11k/debug_htt_stats.c:4613:2-8: preceding lock on line 4604

[ath6kl:pending 90/99] drivers/net/wireless/ath/ath11k/debug_htt_stats.c:4613:2-8: preceding lock on line 4604

[kbuild test robot]

[-- Attachment #1: Type: text/plain, Size: 4182 bytes --]

CC: kbuild-all(a)lists.01.org
CC: Kalle Valo <kvalo@codeaurora.org>
CC: ath10k(a)lists.infradead.org
TO: Pradeep Kumar Chitrapu <pradeepc@codeaurora.org>
CC: Kalle Valo <kvalo@codeaurora.org>
CC: Miles Hu <milehu@codeaurora.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
head:   d9e109721e24a6923a36ec88710086c3c23d3429
commit: a803b0a31d641cde3f7f2e68541ec318349b27a2 [90/99] ath11k: fix htt stats module not handle multiple skbs
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


coccinelle warnings: (new ones prefixed by >>)

>> drivers/net/wireless/ath/ath11k/debug_htt_stats.c:4613:2-8: preceding lock on line 4604

# https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?id=a803b0a31d641cde3f7f2e68541ec318349b27a2
git remote add ath6kl https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
git remote update ath6kl
git checkout a803b0a31d641cde3f7f2e68541ec318349b27a2
vim +4613 drivers/net/wireless/ath/ath11k/debug_htt_stats.c

d5c65159f28953 Kalle Valo 2019-11-23  4586  
d5c65159f28953 Kalle Valo 2019-11-23  4587  static ssize_t ath11k_write_htt_stats_reset(struct file *file,
d5c65159f28953 Kalle Valo 2019-11-23  4588  					    const char __user *user_buf,
d5c65159f28953 Kalle Valo 2019-11-23  4589  					    size_t count, loff_t *ppos)
d5c65159f28953 Kalle Valo 2019-11-23  4590  {
d5c65159f28953 Kalle Valo 2019-11-23  4591  	struct ath11k *ar = file->private_data;
d5c65159f28953 Kalle Valo 2019-11-23  4592  	u8 type;
d5c65159f28953 Kalle Valo 2019-11-23  4593  	struct htt_ext_stats_cfg_params cfg_params = { 0 };
d5c65159f28953 Kalle Valo 2019-11-23  4594  	int ret;
d5c65159f28953 Kalle Valo 2019-11-23  4595  
d5c65159f28953 Kalle Valo 2019-11-23  4596  	ret = kstrtou8_from_user(user_buf, count, 0, &type);
d5c65159f28953 Kalle Valo 2019-11-23  4597  	if (ret)
d5c65159f28953 Kalle Valo 2019-11-23  4598  		return ret;
d5c65159f28953 Kalle Valo 2019-11-23  4599  
d5c65159f28953 Kalle Valo 2019-11-23  4600  	if (type >= ATH11K_DBG_HTT_NUM_EXT_STATS ||
d5c65159f28953 Kalle Valo 2019-11-23  4601  	    type == ATH11K_DBG_HTT_EXT_STATS_RESET)
d5c65159f28953 Kalle Valo 2019-11-23  4602  		return -E2BIG;
d5c65159f28953 Kalle Valo 2019-11-23  4603  
d5c65159f28953 Kalle Valo 2019-11-23 @4604  	mutex_lock(&ar->conf_mutex);
d5c65159f28953 Kalle Valo 2019-11-23  4605  	cfg_params.cfg0 = HTT_STAT_DEFAULT_RESET_START_OFFSET;
d5c65159f28953 Kalle Valo 2019-11-23  4606  	cfg_params.cfg1 = 1 << (cfg_params.cfg0 + type);
d5c65159f28953 Kalle Valo 2019-11-23  4607  	ret = ath11k_dp_tx_htt_h2t_ext_stats_req(ar,
d5c65159f28953 Kalle Valo 2019-11-23  4608  						 ATH11K_DBG_HTT_EXT_STATS_RESET,
d5c65159f28953 Kalle Valo 2019-11-23  4609  						 &cfg_params,
d5c65159f28953 Kalle Valo 2019-11-23  4610  						 0ULL);
d5c65159f28953 Kalle Valo 2019-11-23  4611  	if (ret) {
d5c65159f28953 Kalle Valo 2019-11-23  4612  		ath11k_warn(ar->ab, "failed to send htt stats request: %d\n", ret);
d5c65159f28953 Kalle Valo 2019-11-23 @4613  		return ret;
d5c65159f28953 Kalle Valo 2019-11-23  4614  	}
d5c65159f28953 Kalle Valo 2019-11-23  4615  
d5c65159f28953 Kalle Valo 2019-11-23  4616  	ar->debug.htt_stats.reset = type;
d5c65159f28953 Kalle Valo 2019-11-23  4617  	mutex_unlock(&ar->conf_mutex);
d5c65159f28953 Kalle Valo 2019-11-23  4618  
d5c65159f28953 Kalle Valo 2019-11-23  4619  	ret = count;
d5c65159f28953 Kalle Valo 2019-11-23  4620  
d5c65159f28953 Kalle Valo 2019-11-23  4621  	return ret;
d5c65159f28953 Kalle Valo 2019-11-23  4622  }
d5c65159f28953 Kalle Valo 2019-11-23  4623  

:::::: The code at line 4613 was first introduced by commit
:::::: d5c65159f2895379e11ca13f62feabe93278985d ath11k: driver for Qualcomm IEEE 802.11ax devices

:::::: TO: Kalle Valo <kvalo@codeaurora.org>
:::::: CC: Kalle Valo <kvalo@codeaurora.org>

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