We get 5 warnings when building kernel with W=1: drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:287:13: warning: no previous declaration for 'softmac_ps_mgmt_xmit' [-Wmissing-declarations] drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:323:24: warning: no previous declaration for 'ieee80211_probe_req' [-Wmissing-declarations] drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:643:24: warning: no previous declaration for 'ieee80211_authentication_req' [-Wmissing-declarations] drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:981:24: warning: no previous declaration for 'ieee80211_association_req' [-Wmissing-declarations] drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c:3094:24: warning: no previous declaration for 'ieee80211_disassociate_skb' [-Wmissing-declarations] In fact, these functions are only used in the file in which they are declared and don't need a declaration, but can be made static. so this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@xxxxxxxxxx> --- drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index 49db1b7..4c2b341 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -284,7 +284,8 @@ inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee } } -inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee) +static inline void +softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee) { short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; @@ -320,7 +321,7 @@ inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *i //dev_kfree_skb_any(skb);//edit by thomas } -inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) +static inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) { unsigned int len, rate_len; u8 *tag; @@ -640,8 +641,9 @@ void ieee80211_start_scan_syncro(struct ieee80211_device *ieee) } EXPORT_SYMBOL(ieee80211_start_scan_syncro); -inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon, - struct ieee80211_device *ieee, int challengelen) +static inline struct sk_buff * +ieee80211_authentication_req(struct ieee80211_network *beacon, + struct ieee80211_device *ieee, int challengelen) { struct sk_buff *skb; struct ieee80211_authentication *auth; @@ -978,7 +980,9 @@ static void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest) } -inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee) +static inline struct sk_buff * +ieee80211_association_req(struct ieee80211_network *beacon, + struct ieee80211_device *ieee) { struct sk_buff *skb; //unsigned long flags; @@ -3091,7 +3095,7 @@ static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, return ret; } -inline struct sk_buff *ieee80211_disassociate_skb( +static inline struct sk_buff *ieee80211_disassociate_skb( struct ieee80211_network *beacon, struct ieee80211_device *ieee, u8 asRsn) -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel