[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/isar.c b/drivers/isdn/hisax/isar.c
index 642a87c..674af67 100644
--- a/drivers/isdn/hisax/isar.c
+++ b/drivers/isdn/hisax/isar.c
@@ -1688,10 +1688,8 @@
 {
 	modeisar(bcs, 0, bcs->channel);
 	if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
-		if (bcs->hw.isar.rcvbuf) {
-			kfree(bcs->hw.isar.rcvbuf);
-			bcs->hw.isar.rcvbuf = NULL;
-		}
+		kfree(bcs->hw.isar.rcvbuf);
+		bcs->hw.isar.rcvbuf = NULL;
 		skb_queue_purge(&bcs->rqueue);
 		skb_queue_purge(&bcs->squeue);
 		if (bcs->tx_skb) {