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SubjectRe: [PATCH next] brcmfmac: don't remove interface on link down firmware event
Hi,

[auto build test WARNING on next-20160527]

url: https://github.com/0day-ci/linux/commits/Rafa-Mi-ecki/brcmfmac-don-t-remove-interface-on-link-down-firmware-event/20160530-054251
config: sparc64-allyesconfig (attached as .config)
compiler: sparc64-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=sparc64

All warnings (new ones prefixed by >>):

drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function 'brcmf_notify_connect_status_ap':
>> drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:5339:19: warning: unused variable 'ifp' [-Wunused-variable]
struct brcmf_if *ifp = netdev_priv(ndev);
^

vim +/ifp +5339 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c

5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5323 conn_info->resp_ie_len,
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5324 completed ? WLAN_STATUS_SUCCESS :
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5325 WLAN_STATUS_AUTH_TIMEOUT,
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5326 GFP_KERNEL);
16886735 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-12-05 5327 brcmf_dbg(CONN, "Report connect result - connection %s\n",
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5328 completed ? "succeeded" : "failed");
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5329 }
d96b801f drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-12-05 5330 brcmf_dbg(TRACE, "Exit\n");
12f32370 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Peter Senna Tschudin 2014-05-31 5331 return 0;
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5332 }
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5333
5b435de0 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2011-10-05 5334 static s32
27a68fe3 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-09-27 5335 brcmf_notify_connect_status_ap(struct brcmf_cfg80211_info *cfg,
1a873342 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2012-09-27 5336 struct net_device *ndev,
1a873342 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2012-09-27 5337 const struct brcmf_event_msg *e, void *data)
1a873342 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2012-09-27 5338 {
a44aa400 drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c Hante Meuleman 2014-12-03 @5339 struct brcmf_if *ifp = netdev_priv(ndev);
7ee29602 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2013-02-06 5340 static int generation;
5c36b99a drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-11-14 5341 u32 event = e->event_code;
5c36b99a drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-11-14 5342 u32 reason = e->reason;
1a873342 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2012-09-27 5343 struct station_info sinfo;
1a873342 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Hante Meuleman 2012-09-27 5344
16886735 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2012-12-05 5345 brcmf_dbg(CONN, "event %d, reason %d\n", event, reason);
5f4f9f11 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2013-02-08 5346 if (event == BRCMF_E_LINK && reason == BRCMF_E_REASON_LINK_BSSCFG_DIS &&
5f4f9f11 drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c Arend van Spriel 2013-02-08 5347 ndev != cfg_to_ndev(cfg)) {

:::::: The code at line 5339 was first introduced by commit
:::::: a44aa4001a86d46f936ca449e5d6c268446bfae2 brcmfmac: add multiple BSS support.

:::::: TO: Hante Meuleman <meuleman@broadcom.com>
:::::: CC: John W. Linville <linville@tuxdriver.com>

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