On Tuesday, April 17, 2018 03:35 AM, kbuild test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git pending
> head:   bbb4ad4a1c141a8a4c2464d09cb4254640d824b1
> commit: 93d35c09471642344afafa4e848662d93459cb2b [83/84] wcn36xx: send 
> bss_type in scan requests
> config: arm-allmodconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
>         wget 
> https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O 
> ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 93d35c09471642344afafa4e848662d93459cb2b
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm 
> 
> Note: the ath6kl/pending HEAD bbb4ad4a1c141a8a4c2464d09cb4254640d824b1 builds 
> fine.
>       It only hurts bisectibility.
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/net/wireless/ath/wcn36xx/smd.c: In function 
> 'wcn36xx_smd_start_hw_scan':
>>> drivers/net/wireless/ath/wcn36xx/smd.c:634:22: error: 'vif_priv' undeclared 
>>> (first use in this function); did you mean 'bio_prio'?

Ah, there's a hunk in 5/5 that should be in 4/5. That kills
bisectability. I'll reorder and resend.


Thanks,
Daniel




>      msg_body.bss_type = vif_priv->bss_type;
>                          ^~~~~~~~
>                          bio_prio
>    drivers/net/wireless/ath/wcn36xx/smd.c:634:22: note: each undeclared 
> identifier is reported only once for each function it appears in
> 
> vim +634 drivers/net/wireless/ath/wcn36xx/smd.c
> 
>    619        
>    620        int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct 
> ieee80211_vif *vif,
>    621                                      struct cfg80211_scan_request *req)
>    622        {
>    623                struct wcn36xx_hal_start_scan_offload_req_msg msg_body;
>    624                int ret, i;
>    625        
>    626                mutex_lock(&wcn->hal_mutex);
>    627                INIT_HAL_MSG(msg_body, 
> WCN36XX_HAL_START_SCAN_OFFLOAD_REQ);
>    628        
>    629                msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
>    630                msg_body.min_ch_time = 30;
>    631                msg_body.max_ch_time = 100;
>    632                msg_body.scan_hidden = 1;
>    633                memcpy(msg_body.mac, vif->addr, ETH_ALEN);
>  > 634                msg_body.bss_type = vif_priv->bss_type;
>    635                msg_body.p2p_search = vif->p2p;
>    636        
>    637                msg_body.num_ssid = min_t(u8, req->n_ssids, 
> ARRAY_SIZE(msg_body.ssids));
>    638                for (i = 0; i < msg_body.num_ssid; i++) {
>    639                        msg_body.ssids[i].length = min_t(u8, 
> req->ssids[i].ssid_len,
>    640                                                        
> sizeof(msg_body.ssids[i].ssid));
>    641                        memcpy(msg_body.ssids[i].ssid, 
> req->ssids[i].ssid,
>    642                               msg_body.ssids[i].length);
>    643                }
>    644        
>    645                msg_body.num_channel = min_t(u8, req->n_channels,
>    646                                             sizeof(msg_body.channels));
>    647                for (i = 0; i < msg_body.num_channel; i++)
>    648                        msg_body.channels[i] = 
> req->channels[i]->hw_value;
>    649        
>    650                PREPARE_HAL_BUF(wcn->hal_buf, msg_body);
>    651        
>    652                wcn36xx_dbg(WCN36XX_DBG_HAL,
>    653                            "hal start hw-scan (channels: %u; ssids: 
> %u; p2p: %s)\n",
>    654                            msg_body.num_channel, msg_body.num_ssid,
>    655                            msg_body.p2p_search ? "yes" : "no");
>    656        
>    657                ret = wcn36xx_smd_send_and_wait(wcn, 
> msg_body.header.len);
>    658                if (ret) {
>    659                        wcn36xx_err("Sending hal_start_scan_offload 
> failed\n");
>    660                        goto out;
>    661                }
>    662                ret = wcn36xx_smd_rsp_status_check(wcn->hal_buf, 
> wcn->hal_rsp_len);
>    663                if (ret) {
>    664                        wcn36xx_err("hal_start_scan_offload response 
> failed err=%d\n",
>    665                                    ret);
>    666                        goto out;
>    667                }
>    668        out:
>    669                mutex_unlock(&wcn->hal_mutex);
>    670                return ret;
>    671        }
>    672        
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
> 


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