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path: root/drivers/isdn/gigaset/asyncdata.c
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Diffstat (limited to 'drivers/isdn/gigaset/asyncdata.c')
-rw-r--r--drivers/isdn/gigaset/asyncdata.c27
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index a375d0a411b..8601b7a8f6a 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);