brcmsmac: react on changing SSID

To send the correct probe response the hardware needs to know the SSID
when it changed.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index 60dc2c4..cf11d894 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -3783,6 +3783,15 @@
 	brcms_c_set_addrmatch(bsscfg->wlc, RCM_BSSID_OFFSET, bsscfg->BSSID);
 }
 
+void brcms_c_set_ssid(struct brcms_c_info *wlc, u8 *ssid, size_t ssid_len)
+{
+	u8 len = min_t(u8, sizeof(wlc->bsscfg->SSID), ssid_len);
+	memset(wlc->bsscfg->SSID, 0, sizeof(wlc->bsscfg->SSID));
+
+	memcpy(wlc->bsscfg->SSID, ssid, len);
+	wlc->bsscfg->SSID_len = len;
+}
+
 static void brcms_b_set_shortslot(struct brcms_hardware *wlc_hw, bool shortslot)
 {
 	wlc_hw->shortslot = shortslot;