staging: brcm80211: remove static function variable in brcmfmac

The static local variable save_ms in brcmf_sdbrcm_wd_timer() has been
removed and placed in the structure brcmf_bus definition.
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/brcm80211/brcmfmac/dhd_sdio.c

@@ -654,6 +654,7 @@ struct brcmf_bus {
 	struct completion watchdog_wait;
 	struct task_struct *watchdog_tsk;
 	bool wd_timer_valid;
+	uint save_ms;
 
 	struct tasklet_struct tasklet;
 	struct task_struct *dpc_tsk;
@@ -5031,8 +5032,6 @@ brcmf_sdbrcm_watchdog(unsigned long data)
 void
 brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
 {
-	static uint save_ms;
-
 	/* don't start the wd until fw is loaded */
 	if (bus->drvr->busstate == BRCMF_BUS_DOWN)
 		return;
@@ -5041,14 +5040,14 @@ brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
 	if (!wdtick && bus->wd_timer_valid == true) {
 		del_timer_sync(&bus->timer);
 		bus->wd_timer_valid = false;
-		save_ms = wdtick;
+		bus->save_ms = wdtick;
 		return;
 	}
 
 	if (wdtick) {
 		brcmf_watchdog_ms = (uint) wdtick;
 
-		if (save_ms != brcmf_watchdog_ms) {
+		if (bus->save_ms != brcmf_watchdog_ms) {
 			if (bus->wd_timer_valid == true)
 				/* Stop timer and restart at new value */
 				del_timer_sync(&bus->timer);
@@ -5067,7 +5066,7 @@ brcmf_sdbrcm_wd_timer(struct brcmf_bus *bus, uint wdtick)
 		}
 
 		bus->wd_timer_valid = true;
-		save_ms = wdtick;
+		bus->save_ms = wdtick;
 	}
 }