[PATCH] isdn4linux: Siemens Gigaset drivers: remove IFNULL macros

With Hansjoerg Lipp <hjlipp@web.de>

Remove the IFNULL debugging macros from the Gigaset drivers.

Signed-off-by: Hansjoerg Lipp <hjlipp@web.de>
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: 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/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 4a00d22..0b7e5b6 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -247,8 +247,6 @@
 	static char dbgline[3 * 32 + 1];
 	static const char hexdigit[] = "0123456789abcdef";
 	int i = 0;
-	IFNULLRET(tag);
-	IFNULLRET(bytes);
 	while (count-- > 0) {
 		if (i > sizeof(dbgline) - 4) {
 			dbgline[i] = '\0';
@@ -663,14 +661,10 @@
 static inline void hdlc_unpack(unsigned char *src, unsigned count,
 			       struct bc_state *bcs)
 {
-	struct bas_bc_state *ubc;
+	struct bas_bc_state *ubc = bcs->hw.bas;
 	int inputstate;
 	unsigned seqlen, inbyte, inbits;
 
-	IFNULLRET(bcs);
-	ubc = bcs->hw.bas;
-	IFNULLRET(ubc);
-
 	/* load previous state:
 	 * inputstate = set of flag bits:
 	 * - INS_flag_hunt: no complete opening flag received since connection setup or last abort
@@ -995,11 +989,7 @@
  */
 int gigaset_isoc_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 {
-	int len;
-
-	IFNULLRETVAL(bcs, -EFAULT);
-	IFNULLRETVAL(skb, -EFAULT);
-	len = skb->len;
+	int len = skb->len;
 
 	skb_queue_tail(&bcs->squeue, skb);
 	gig_dbg(DEBUG_ISO, "%s: skb queued, qlen=%d",