1 files changed, 6 insertions, 21 deletions

diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index a375d0a411b5..8601b7a8f6a6 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -117,20 +117,14 @@ static inline int hdlc_loop(unsigned char c, unsigned char *src, int numbytes,
 {
         struct cardstate *cs = inbuf->cs;
         struct bc_state *bcs = inbuf->bcs;
-        int inputstate;
-        __u16 fcs;
-        struct sk_buff *skb;
+        int inputstate = bcs->inputstate;
+        __u16 fcs = bcs->fcs;
+        struct sk_buff *skb = bcs->skb;
         unsigned char error;
         struct sk_buff *compskb;
         int startbytes = numbytes;
         int l;
 
-        IFNULLRETVAL(bcs, numbytes);
-        inputstate = bcs->inputstate;
-        fcs = bcs->fcs;
-        skb = bcs->skb;
-        IFNULLRETVAL(skb, numbytes);
-
         if (unlikely(inputstate & INS_byte_stuff)) {
                 inputstate &= ~INS_byte_stuff;
                 goto byte_stuff;
@@ -292,15 +286,10 @@ static inline int iraw_loop(unsigned char c, unsigned char *src, int numbytes,
 {
         struct cardstate *cs = inbuf->cs;
         struct bc_state *bcs = inbuf->bcs;
-        int inputstate;
-        struct sk_buff *skb;
+        int inputstate = bcs->inputstate;
+        struct sk_buff *skb = bcs->skb;
         int startbytes = numbytes;
 
-        IFNULLRETVAL(bcs, numbytes);
-        inputstate = bcs->inputstate;
-        skb = bcs->skb;
-        IFNULLRETVAL(skb, numbytes);
-
         for (;;) {
                 /* add character */
                 inputstate |= INS_have_data;
@@ -577,11 +566,7 @@ static struct sk_buff *iraw_encode(struct sk_buff *skb, int head, int tail)
  */
 int gigaset_m10x_send_skb(struct bc_state *bcs, struct sk_buff *skb)
 {
-        unsigned len;
-
-        IFNULLRETVAL(bcs, -EFAULT);
-        IFNULLRETVAL(skb, -EFAULT);
-        len = skb->len;
+        unsigned len = skb->len;
 
         if (bcs->proto2 == ISDN_PROTO_L2_HDLC)
                 skb = HDLC_Encode(skb, HW_HDR_LEN, 0);