staging: brcm80211: deleted struct dot11_bcn_prb

Code cleanup. This struct did nothing useful in the code. Instances of this
struct and the code that read them were removed as well.

Reviewed-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/include/proto/802.11.h

@@ -48,14 +48,7 @@
 #define DOT11_BA_BITMAP_LEN		128
 #define DOT11_BA_LEN		4
 
-#define	DOT11_MGMT_HDR_LEN	24
-
-struct dot11_bcn_prb {
-	u32 timestamp[2];
-	u16 beacon_interval;
-	u16 capability;
-} __attribute__((packed));
-#define	DOT11_BCN_PRB_LEN	12
+#define DOT11_MGMT_HDR_LEN      24
 
 #define WME_OUI			"\x00\x50\xf2"
 #define WME_VER			1

drivers/staging/brcm80211/sys/wlc_alloc.c

@@ -147,8 +147,6 @@ void wlc_bsscfg_mfree(struct osl_info *osh, wlc_bsscfg_t *cfg)
 
 	if (cfg->current_bss != NULL) {
 		wlc_bss_info_t *current_bss = cfg->current_bss;
-		if (current_bss->bcn_prb != NULL)
-			kfree(current_bss->bcn_prb);
 		kfree(current_bss);
 		cfg->current_bss = NULL;
 	}

drivers/staging/brcm80211/sys/wlc_mac80211.c

@@ -1746,7 +1746,6 @@ void *wlc_attach(void *wl, u16 vendor, u16 device, uint unit, bool piomode,
 	ASSERT(sizeof(d11rxhdr_t) == RXHDR_LEN);
 	ASSERT(sizeof(struct ieee80211_hdr) == DOT11_A4_HDR_LEN);
 	ASSERT(sizeof(struct ieee80211_rts) == DOT11_RTS_LEN);
-	ASSERT(sizeof(struct dot11_bcn_prb) == DOT11_BCN_PRB_LEN);
 	ASSERT(sizeof(tx_status_t) == TXSTATUS_LEN);
 	ASSERT(sizeof(ht_cap_ie_t) == HT_CAP_IE_LEN);
 #ifdef BRCM_FULLMAC
@@ -6979,9 +6978,6 @@ void wlc_bss_list_free(struct wlc_info *wlc, wlc_bss_list_t *bss_list)
 	for (index = 0; index < bss_list->count; index++) {
 		bi = bss_list->ptrs[index];
 		if (bi) {
-			if (bi->bcn_prb) {
-				kfree(bi->bcn_prb);
-			}
 			kfree(bi);
 			bss_list->ptrs[index] = NULL;
 		}

drivers/staging/brcm80211/sys/wlc_pub.h

@@ -180,8 +180,6 @@ typedef struct wlc_bss_info {
 	u8 dtim_period;	/* DTIM period */
 	s8 phy_noise;		/* noise right after tx (in dBm) */
 	u16 capability;	/* Capability information */
-	struct dot11_bcn_prb *bcn_prb;	/* beacon/probe response frame (ioctl na) */
-	u16 bcn_prb_len;	/* beacon/probe response frame length (ioctl na) */
 	u8 wme_qosinfo;	/* QoS Info from WME IE; valid if WLC_BSS_WME flag set */
 	struct rsn_parms wpa;
 	struct rsn_parms wpa2;