1 files changed, 2 insertions, 28 deletions

diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index 53490430a2e..0bf6a283a5a 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -442,8 +442,6 @@ static int isdn_getnum(char *p)
 {
 	int v = -1;
 
-	IFNULLRETVAL(p, -1);
-
 	gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
 
 	while (*p >= '0' && *p <= '9')
@@ -461,8 +459,6 @@ static int isdn_gethex(char *p)
 	int v = 0;
 	int c;
 
-	IFNULLRETVAL(p, -1);
-
 	gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
 
 	if (!*p)
@@ -532,8 +528,6 @@ void gigaset_handle_modem_response(struct cardstate *cs)
 	int cid;
 	int rawstring;
 
-	IFNULLRET(cs);
-
 	len = cs->cbytes;
 	if (!len) {
 		/* ignore additional LFs/CRs (M10x config mode or cx100) */
@@ -737,14 +731,8 @@ EXPORT_SYMBOL_GPL(gigaset_handle_modem_response);
 static void disconnect(struct at_state_t **at_state_p)
 {
 	unsigned long flags;
-	struct bc_state *bcs;
-	struct cardstate *cs;
-
-	IFNULLRET(at_state_p);
-	IFNULLRET(*at_state_p);
-	bcs = (*at_state_p)->bcs;
-	cs = (*at_state_p)->cs;
-	IFNULLRET(cs);
+	struct bc_state *bcs = (*at_state_p)->bcs;
+	struct cardstate *cs = (*at_state_p)->cs;
 
 	new_index(&(*at_state_p)->seq_index, MAX_SEQ_INDEX);
 
@@ -912,9 +900,6 @@ static struct at_state_t *at_state_from_cid(struct cardstate *cs, int cid)
 
 static void bchannel_down(struct bc_state *bcs)
 {
-	IFNULLRET(bcs);
-	IFNULLRET(bcs->cs);
-
 	if (bcs->chstate & CHS_B_UP) {
 		bcs->chstate &= ~CHS_B_UP;
 		gigaset_i4l_channel_cmd(bcs, ISDN_STAT_BHUP);
@@ -932,8 +917,6 @@ static void bchannel_down(struct bc_state *bcs)
 
 static void bchannel_up(struct bc_state *bcs)
 {
-	IFNULLRET(bcs);
-
 	if (!(bcs->chstate & CHS_D_UP)) {
 		dev_notice(bcs->cs->dev, "%s: D channel not up\n", __func__);
 		bcs->chstate |= CHS_D_UP;
@@ -1607,9 +1590,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
 	int curact;
 	unsigned long flags;
 
-	IFNULLRET(cs);
-	IFNULLRET(ev);
-
 	if (ev->cid >= 0) {
 		at_state = at_state_from_cid(cs, ev->cid);
 		if (!at_state) {
@@ -1634,7 +1614,6 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
 
 	/* Setting the pointer to the dial array */
 	rep = at_state->replystruct;
-	IFNULLRET(rep);
 
 	if (ev->type == EV_TIMEOUT) {
 		if (ev->parameter != atomic_read(&at_state->timer_index)
@@ -1746,8 +1725,6 @@ static void process_command_flags(struct cardstate *cs)
 	int i;
 	int sequence;
 
-	IFNULLRET(cs);
-
 	atomic_set(&cs->commands_pending, 0);
 
 	if (cs->cur_at_seq) {
@@ -1968,9 +1945,6 @@ void gigaset_handle_event(unsigned long data)
 {
 	struct cardstate *cs = (struct cardstate *) data;
 
-	IFNULLRET(cs);
-	IFNULLRET(cs->inbuf);
-
 	/* handle incoming data on control/common channel */
 	if (atomic_read(&cs->inbuf->head) != atomic_read(&cs->inbuf->tail)) {
 		gig_dbg(DEBUG_INTR, "processing new data");