* Re: drivers/net/wireless/ath/ath10k/mac.c:9125 ath10k_mac_op_set_tid_config() error: uninitialized symbol 'ret'.
[not found] <20201103100037.GE12347@kadam>
@ 2020-11-03 10:09 ` Kalle Valo
0 siblings, 0 replies; only message in thread
From: Kalle Valo @ 2020-11-03 10:09 UTC (permalink / raw)
To: Dan Carpenter
Cc: kbuild-all, lkp, kbuild, linux-kernel, ath10k, Tamizh Chelvam,
Dan Carpenter
+ ath10k list
Dan Carpenter <dan.carpenter@oracle.com> writes:
> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head: 3cea11cd5e3b00d91caf0b4730194039b45c5891
> commit: 7b2531d93bac6bea67e9c7f49901e9e8796d6d57 ath10k: Add new api to support TID specific configuration
> config: x86_64-randconfig-m031-20201102 (attached as .config)
> compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
>
> smatch warnings:
> drivers/net/wireless/ath/ath10k/mac.c:9125 ath10k_mac_op_set_tid_config() error: uninitialized symbol 'ret'.
>
> vim +/ret +9125 drivers/net/wireless/ath/ath10k/mac.c
>
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9089 static int ath10k_mac_op_set_tid_config(struct ieee80211_hw *hw,
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9090 struct ieee80211_vif *vif,
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9091 struct ieee80211_sta *sta,
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9092 struct cfg80211_tid_config *tid_config)
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9093 {
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9094 struct ath10k *ar = hw->priv;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9095 struct ath10k_vif *arvif = (void *)vif->drv_priv;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9096 struct ath10k_mac_iter_tid_conf_data data = {};
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9097 struct wmi_per_peer_per_tid_cfg_arg arg = {};
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9098 int ret, i;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9099
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9100 mutex_lock(&ar->conf_mutex);
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9101 arg.vdev_id = arvif->vdev_id;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9102
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9103 memset(arvif->tid_conf_changed, 0, sizeof(arvif->tid_conf_changed));
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9104
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9105 for (i = 0; i < tid_config->n_tid_conf; i++) {
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9106 ret = ath10k_mac_parse_tid_config(ar, sta, vif,
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9107 &tid_config->tid_conf[i],
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9108 &arg);
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9109 if (ret)
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9110 goto exit;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9111 }
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9112
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9113 if (sta)
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9114 goto exit;
> ^^^^^^^^^^
>
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9115
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9116 ret = 0;
> ^^^^^^^^
> Probably just move this to the "int ret = 0;" start of the function?
Or preferably before "if (sta)" check. Tamizh, please send a fix.
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9117 data.curr_vif = vif;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9118 data.ar = ar;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9119
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9120 ieee80211_iterate_stations_atomic(hw, ath10k_mac_vif_stations_tid_conf,
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9121 &data);
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9122
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9123 exit:
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9124 mutex_unlock(&ar->conf_mutex);
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 @9125 return ret;
> 7b2531d93bac6be Tamizh Chelvam 2020-08-19 9126 }
>
> ---
> 0-DAY CI Kernel Test Service, Intel Corporation
> https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
>
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