brcm80211: Delete unnecessary checks before two function calls

The functions brcmu_pkt_buf_free_skb() and usb_free_urb() test whether
their argument is NULL and then return immediately. Thus the test around
the call is not needed.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/brcm80211/brcmfmac/sdio.c

@@ -2538,8 +2538,7 @@ static void brcmf_sdio_bus_stop(struct device *dev)
 	brcmu_pktq_flush(&bus->txq, true, NULL, NULL);
 
 	/* Clear any held glomming stuff */
-	if (bus->glomd)
-		brcmu_pkt_buf_free_skb(bus->glomd);
+	brcmu_pkt_buf_free_skb(bus->glomd);
 	brcmf_sdio_free_glom(bus);
 
 	/* Clear rx control and wake any waiters */

drivers/net/wireless/brcm80211/brcmfmac/usb.c

@@ -421,7 +421,7 @@ brcmf_usbdev_qinit(struct list_head *q, int qsize)
 	brcmf_err("fail!\n");
 	while (!list_empty(q)) {
 		req = list_entry(q->next, struct brcmf_usbreq, list);
-		if (req && req->urb)
+		if (req)
 			usb_free_urb(req->urb);
 		list_del(q->next);
 	}