[PATCH] kfree cleanup: drivers/isdn

This is the drivers/isdn/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/isdn/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c
index fbaab43..8159bce 100644
--- a/drivers/isdn/hisax/config.c
+++ b/drivers/isdn/hisax/config.c
@@ -787,8 +787,7 @@
 	ic.command = ISDN_STAT_UNLOAD;
 	ic.driver = cs->myid;
 	cs->iif.statcallb(&ic);
-	if (cs->status_buf)
-		kfree(cs->status_buf);
+	kfree(cs->status_buf);
 	cs->status_read = NULL;
 	cs->status_write = NULL;
 	cs->status_end = NULL;
@@ -807,10 +806,8 @@
 
 	skb_queue_purge(&csta->rq);
 	skb_queue_purge(&csta->sq);
-	if (csta->rcvbuf) {
-		kfree(csta->rcvbuf);
-		csta->rcvbuf = NULL;
-	}
+	kfree(csta->rcvbuf);
+	csta->rcvbuf = NULL;
 	if (csta->tx_skb) {
 		dev_kfree_skb(csta->tx_skb);
 		csta->tx_skb = NULL;