Hi John, > CC [M] drivers/net/wireless/mwifiex/cfg80211.o > drivers/net/wireless/mwifiex/cfg80211.c: In function ‘mwifiex_cfg80211_inform_ibss_bss’: > drivers/net/wireless/mwifiex/cfg80211.c:803:21: warning: ignoring return value of > ‘cfg80211_inform_bss’, declared with attribute warn_unused_result The [PATCH 7/7] I sent yesterday (copied & pasted below) fixed the warning in mwifiex. Thanks, Bing -----Original Message----- From: Bing Zhao [mailto:bzhao@xxxxxxxxxxx] Sent: Monday, November 07, 2011 9:41 PM To: linux-wireless@xxxxxxxxxxxxxxx Cc: John W. Linville; Amitkumar Karwar; Kiran Divekar; Yogesh Powar; Frank Huang; Bing Zhao; Johannes Berg Subject: [PATCH 7/7] mwifiex: release bss structure returned by cfg80211_inform_bss() From: Amitkumar Karwar <akarwar@xxxxxxxxxxx> Following compilation warning is fixed by releasing referenced BSS structure returned by cfg80211_inform_bss(). "warning: ignoring return value of cfg80211_inform_bss, declared with attribute warn_unused_result" Cc: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Amitkumar Karwar <akarwar@xxxxxxxxxxx> Signed-off-by: Bing Zhao <bzhao@xxxxxxxxxxx> --- This patch fixes the bug mentioned by Johannes Berg: See "[PATCH] cfg80211: annotate cfg80211_inform_bss" drivers/net/wireless/mwifiex/cfg80211.c | 4 +++- drivers/net/wireless/mwifiex/scan.c | 1 + 2 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 462c710..e9ab9a3 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -780,6 +780,7 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) { struct ieee80211_channel *chan; struct mwifiex_bss_info bss_info; + struct cfg80211_bss *bss; int ie_len; u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; enum ieee80211_band band; @@ -800,9 +801,10 @@ static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) ieee80211_channel_to_frequency(bss_info.bss_chan, band)); - cfg80211_inform_bss(priv->wdev->wiphy, chan, + bss = cfg80211_inform_bss(priv->wdev->wiphy, chan, bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 0, ie_buf, ie_len, 0, GFP_KERNEL); + cfg80211_put_bss(bss); memcpy(priv->cfg_bssid, bss_info.bssid, ETH_ALEN); return 0; diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index c650e60..8a18bcc 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1760,6 +1760,7 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, cap_info_bitmap, beacon_period, ie_buf, ie_len, rssi, GFP_KERNEL); *(u8 *)bss->priv = band; + cfg80211_put_bss(bss); if (priv->media_connected && !memcmp(bssid, priv->curr_bss_params.bss_descriptor -- 1.7.0.2 ��.n��������+%������w��{.n�����{���zW����ܨ}���Ơz�j:+v�����w����ޙ��&�)ߡ�a����z�ޗ���ݢj��w�f
