staging: rtl8192u: fix sparse warning, make a function static

Fix the following sparse warning:
drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c:240:22: warning: symbol 'ieee80211_alloc_txb' was not declared. Should it be static?

Signed-off-by: Teodora Baluta <teobaluta@gmail.com>
Reviewed-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
index 682659a..157b2d7 100644 (file)
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
@@ -237,8 +237,8 @@ void ieee80211_txb_free(struct ieee80211_txb *txb) {
        kfree(txb);
 }
 
-struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
-                                         gfp_t gfp_mask)
+static struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size,
+                                                gfp_t gfp_mask)
 {
        struct ieee80211_txb *txb;
        int i;