diff options
Diffstat (limited to 'drivers/isdn/gigaset')
| -rw-r--r-- | drivers/isdn/gigaset/asyncdata.c | 27 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/bas-gigaset.c | 174 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/ev-layer.c | 30 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/gigaset.h | 27 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/isocdata.c | 14 | ||||
| -rw-r--r-- | drivers/isdn/gigaset/usb-gigaset.c | 27 |
6 files changed, 43 insertions, 256 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); diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 1cf48cfad1de..b75f2f37c355 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -205,7 +205,6 @@ static inline void dump_urb(enum debuglevel level, const char *tag, { #ifdef CONFIG_GIGASET_DEBUG int i; - IFNULLRET(tag); gig_dbg(level, "%s urb(0x%08lx)->{", tag, (unsigned long) urb); if (urb) { gig_dbg(level, @@ -309,8 +308,6 @@ static void check_pending(struct bas_cardstate *ucs) { unsigned long flags; - IFNULLRET(ucs); - spin_lock_irqsave(&ucs->lock, flags); switch (ucs->pending) { case 0: @@ -366,13 +363,9 @@ static void check_pending(struct bas_cardstate *ucs) static void cmd_in_timeout(unsigned long data) { struct cardstate *cs = (struct cardstate *) data; - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = cs->hw.bas; unsigned long flags; - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); - spin_lock_irqsave(&cs->lock, flags); if (unlikely(!atomic_read(&cs->connected))) { gig_dbg(DEBUG_USBREQ, "%s: disconnected", __func__); @@ -406,14 +399,9 @@ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs); */ static int atread_submit(struct cardstate *cs, int timeout) { - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = cs->hw.bas; int ret; - IFNULLRETVAL(cs, -EINVAL); - ucs = cs->hw.bas; - IFNULLRETVAL(ucs, -EINVAL); - IFNULLRETVAL(ucs->urb_cmd_in, -EINVAL); - gig_dbg(DEBUG_USBREQ, "-------> HD_READ_ATMESSAGE (%d)", ucs->rcvbuf_size); @@ -479,20 +467,14 @@ inline static void update_basstate(struct bas_cardstate *ucs, */ static void read_int_callback(struct urb *urb, struct pt_regs *regs) { - struct cardstate *cs; - struct bas_cardstate *ucs; + struct cardstate *cs = urb->context; + struct bas_cardstate *ucs = cs->hw.bas; struct bc_state *bcs; unsigned long flags; int status; unsigned l; int channel; - IFNULLRET(urb); - cs = (struct cardstate *) urb->context; - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); - if (unlikely(!atomic_read(&cs->connected))) { warn("%s: disconnected", __func__); return; @@ -638,20 +620,12 @@ resubmit: */ static void read_ctrl_callback(struct urb *urb, struct pt_regs *regs) { - struct cardstate *cs; - struct bas_cardstate *ucs; + struct inbuf_t *inbuf = urb->context; + struct cardstate *cs = inbuf->cs; + struct bas_cardstate *ucs = cs->hw.bas; + int have_data = 0; unsigned numbytes; unsigned long flags; - struct inbuf_t *inbuf; - int have_data = 0; - - IFNULLRET(urb); - inbuf = (struct inbuf_t *) urb->context; - IFNULLRET(inbuf); - cs = inbuf->cs; - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); spin_lock_irqsave(&cs->lock, flags); if (unlikely(!atomic_read(&cs->connected))) { @@ -747,10 +721,6 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs) unsigned long flags; int i, rc; - IFNULLRET(urb); - IFNULLRET(urb->context); - IFNULLRET(cardstate); - /* status codes not worth bothering the tasklet with */ if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET || urb->status == -EINPROGRESS)) { @@ -759,9 +729,8 @@ static void read_iso_callback(struct urb *urb, struct pt_regs *regs) return; } - bcs = (struct bc_state *) urb->context; + bcs = urb->context; ubc = bcs->hw.bas; - IFNULLRET(ubc); spin_lock_irqsave(&ubc->isoinlock, flags); if (likely(ubc->isoindone == NULL)) { @@ -813,10 +782,6 @@ static void write_iso_callback(struct urb *urb, struct pt_regs *regs) struct bas_bc_state *ubc; unsigned long flags; - IFNULLRET(urb); - IFNULLRET(urb->context); - IFNULLRET(cardstate); - /* status codes not worth bothering the tasklet with */ if (unlikely(urb->status == -ENOENT || urb->status == -ECONNRESET || urb->status == -EINPROGRESS)) { @@ -826,10 +791,8 @@ static void write_iso_callback(struct urb *urb, struct pt_regs *regs) } /* pass URB context to tasklet */ - ucx = (struct isow_urbctx_t *) urb->context; - IFNULLRET(ucx->bcs); + ucx = urb->context; ubc = ucx->bcs->hw.bas; - IFNULLRET(ubc); spin_lock_irqsave(&ubc->isooutlock, flags); ubc->isooutovfl = ubc->isooutdone; @@ -848,15 +811,11 @@ static void write_iso_callback(struct urb *urb, struct pt_regs *regs) */ static int starturbs(struct bc_state *bcs) { + struct bas_bc_state *ubc = bcs->hw.bas; struct urb *urb; - struct bas_bc_state *ubc; int j, k; int rc; - IFNULLRETVAL(bcs, -EFAULT); - ubc = bcs->hw.bas; - IFNULLRETVAL(ubc, -EFAULT); - /* initialize L2 reception */ if (bcs->proto2 == ISDN_PROTO_L2_HDLC) bcs->inputstate |= INS_flag_hunt; @@ -955,8 +914,6 @@ static void stopurbs(struct bas_bc_state *ubc) { int k, rc; - IFNULLRET(ubc); - atomic_set(&ubc->running, 0); for (k = 0; k < BAS_INURBS; ++k) { @@ -988,18 +945,11 @@ static void stopurbs(struct bas_bc_state *ubc) */ static int submit_iso_write_urb(struct isow_urbctx_t *ucx) { - struct urb *urb; - struct bas_bc_state *ubc; + struct urb *urb = ucx->urb; + struct bas_bc_state *ubc = ucx->bcs->hw.bas; struct usb_iso_packet_descriptor *ifd; int corrbytes, nframe, rc; - IFNULLRETVAL(ucx, -EFAULT); - urb = ucx->urb; - IFNULLRETVAL(urb, -EFAULT); - IFNULLRETVAL(ucx->bcs, -EFAULT); - ubc = ucx->bcs->hw.bas; - IFNULLRETVAL(ubc, -EFAULT); - /* urb->dev is clobbered by USB subsystem */ urb->dev = ucx->bcs->cs->hw.bas->udev; urb->transfer_flags = URB_ISO_ASAP; @@ -1065,9 +1015,9 @@ static int submit_iso_write_urb(struct isow_urbctx_t *ucx) */ static void write_iso_tasklet(unsigned long data) { - struct bc_state *bcs; - struct bas_bc_state *ubc; - struct cardstate *cs; + struct bc_state *bcs = (struct bc_state *) data; + struct bas_bc_state *ubc = bcs->hw.bas; + struct cardstate *cs = bcs->cs; struct isow_urbctx_t *done, *next, *ovfl; struct urb *urb; struct usb_iso_packet_descriptor *ifd; @@ -1077,13 +1027,6 @@ static void write_iso_tasklet(unsigned long data) struct sk_buff *skb; int len; - bcs = (struct bc_state *) data; - IFNULLRET(bcs); - ubc = bcs->hw.bas; - IFNULLRET(ubc); - cs = bcs->cs; - IFNULLRET(cs); - /* loop while completed URBs arrive in time */ for (;;) { if (unlikely(!atomic_read(&cs->connected))) { @@ -1237,21 +1180,14 @@ static void write_iso_tasklet(unsigned long data) */ static void read_iso_tasklet(unsigned long data) { - struct bc_state *bcs; - struct bas_bc_state *ubc; - struct cardstate *cs; + struct bc_state *bcs = (struct bc_state *) data; + struct bas_bc_state *ubc = bcs->hw.bas; + struct cardstate *cs = bcs->cs; struct urb *urb; char *rcvbuf; unsigned long flags; int totleft, numbytes, offset, frame, rc; - bcs = (struct bc_state *) data; - IFNULLRET(bcs); - ubc = bcs->hw.bas; - IFNULLRET(ubc); - cs = bcs->cs; - IFNULLRET(cs); - /* loop while more completed URBs arrive in the meantime */ for (;;) { if (unlikely(!atomic_read(&cs->connected))) { @@ -1383,15 +1319,10 @@ static void read_iso_tasklet(unsigned long data) static void req_timeout(unsigned long data) { struct bc_state *bcs = (struct bc_state *) data; - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = bcs->cs->hw.bas; int pending; unsigned long flags; - IFNULLRET(bcs); - IFNULLRET(bcs->cs); - ucs = bcs->cs->hw.bas; - IFNULLRET(ucs); - check_pending(ucs); spin_lock_irqsave(&ucs->lock, flags); @@ -1441,14 +1372,9 @@ static void req_timeout(unsigned long data) */ static void write_ctrl_callback(struct urb *urb, struct pt_regs *regs) { - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = urb->context; unsigned long flags; - IFNULLRET(urb); - IFNULLRET(urb->context); - IFNULLRET(cardstate); - - ucs = (struct bas_cardstate *) urb->context; spin_lock_irqsave(&ucs->lock, flags); if (urb->status && ucs->pending) { dev_err(&ucs->interface->dev, @@ -1482,16 +1408,10 @@ static void write_ctrl_callback(struct urb *urb, struct pt_regs *regs) */ static int req_submit(struct bc_state *bcs, int req, int val, int timeout) { - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = bcs->cs->hw.bas; int ret; unsigned long flags; - IFNULLRETVAL(bcs, -EINVAL); - IFNULLRETVAL(bcs->cs, -EINVAL); - ucs = bcs->cs->hw.bas; - IFNULLRETVAL(ucs, -EINVAL); - IFNULLRETVAL(ucs->urb_ctrl, -EINVAL); - gig_dbg(DEBUG_USBREQ, "-------> 0x%02x (%d)", req, val); spin_lock_irqsave(&ucs->lock, flags); @@ -1551,8 +1471,6 @@ static int gigaset_init_bchannel(struct bc_state *bcs) { int req, ret; - IFNULLRETVAL(bcs, -EINVAL); - if ((ret = starturbs(bcs)) < 0) { dev_err(bcs->cs->dev, "could not start isochronous I/O for channel %d\n", @@ -1585,8 +1503,6 @@ static int gigaset_close_bchannel(struct bc_state *bcs) { int req, ret; - IFNULLRETVAL(bcs, -EINVAL); - if (!(atomic_read(&bcs->cs->hw.bas->basstate) & (bcs->channel ? BS_B2OPEN : BS_B1OPEN))) { /* channel not running: just signal common.c */ @@ -1613,11 +1529,7 @@ static int gigaset_close_bchannel(struct bc_state *bcs) */ static void complete_cb(struct cardstate *cs) { - struct cmdbuf_t *cb; - - IFNULLRET(cs); - cb = cs->cmdbuf; - IFNULLRET(cb); + struct cmdbuf_t *cb = cs->cmdbuf; /* unqueue completed buffer */ cs->cmdbytes -= cs->curlen; @@ -1649,15 +1561,9 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len); */ static void write_command_callback(struct urb *urb, struct pt_regs *regs) { - struct cardstate *cs; + struct cardstate *cs = urb->context; + struct bas_cardstate *ucs = cs->hw.bas; unsigned long flags; - struct bas_cardstate *ucs; - - IFNULLRET(urb); - cs = (struct cardstate *) urb->context; - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); /* check status */ switch (urb->status) { @@ -1709,11 +1615,7 @@ static void write_command_callback(struct urb *urb, struct pt_regs *regs) static void atrdy_timeout(unsigned long data) { struct cardstate *cs = (struct cardstate *) data; - struct bas_cardstate *ucs; - - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); + struct bas_cardstate *ucs = cs->hw.bas; dev_warn(cs->dev, "timeout waiting for HD_READY_SEND_ATDATA\n"); @@ -1736,14 +1638,9 @@ static void atrdy_timeout(unsigned long data) */ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len) { - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = cs->hw.bas; int ret; - IFNULLRETVAL(cs, -EFAULT); - ucs = cs->hw.bas; - IFNULLRETVAL(ucs, -EFAULT); - IFNULLRETVAL(ucs->urb_cmd_out, -EFAULT); - gig_dbg(DEBUG_USBREQ, "-------> HD_WRITE_ATMESSAGE (%d)", len); if (ucs->urb_cmd_out->status == -EINPROGRESS) { @@ -1795,15 +1692,11 @@ static int atwrite_submit(struct cardstate *cs, unsigned char *buf, int len) static int start_cbsend(struct cardstate *cs) { struct cmdbuf_t *cb; - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = cs->hw.bas; unsigned long flags; int rc; int retval = 0; - IFNULLRETVAL(cs, -EFAULT); - ucs = cs->hw.bas; - IFNULLRETVAL(ucs, -EFAULT); - /* check if AT channel is open */ if (!(atomic_read(&ucs->basstate) & BS_ATOPEN)) { gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "AT channel not open"); @@ -2084,17 +1977,12 @@ static int gigaset_initcshw(struct cardstate *cs) */ static void freeurbs(struct cardstate *cs) { - struct bas_cardstate *ucs; + struct bas_cardstate *ucs = cs->hw.bas; struct bas_bc_state *ubc; int i, j; - IFNULLRET(cs); - ucs = cs->hw.bas; - IFNULLRET(ucs); - for (j = 0; j < 2; ++j) { ubc = cs->bcs[j].hw.bas; - IFNULLCONT(ubc); for (i = 0; i < BAS_OUTURBS; ++i) if (ubc->isoouturbs[i].urb) { usb_kill_urb(ubc->isoouturbs[i].urb); @@ -2160,8 +2048,6 @@ static int gigaset_probe(struct usb_interface *interface, int i, j; int ret; - IFNULLRETVAL(udev, -ENODEV); - gig_dbg(DEBUG_ANY, "%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)", __func__, le16_to_cpu(udev->descriptor.idVendor), @@ -2314,9 +2200,7 @@ static void gigaset_disconnect(struct usb_interface *interface) cs = usb_get_intfdata(interface); - IFNULLRET(cs); ucs = cs->hw.bas; - IFNULLRET(ucs); dev_info(cs->dev, "disconnecting Gigaset base\n"); gigaset_stop(cs); diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index 53490430a2e1..0bf6a283a5a6 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"); diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h index 04457571923d..7acae34e66e0 100644 --- a/drivers/isdn/gigaset/gigaset.h +++ b/drivers/isdn/gigaset/gigaset.h @@ -72,33 +72,6 @@ #define MAXACT 3 -#define IFNULL(a) \ - if (unlikely(!(a))) - -#define IFNULLRET(a) \ - if (unlikely(!(a))) { \ - err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ - return; \ - } - -#define IFNULLRETVAL(a,b) \ - if (unlikely(!(a))) { \ - err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ - return (b); \ - } - -#define IFNULLCONT(a) \ - if (unlikely(!(a))) { \ - err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ - continue; \ - } - -#define IFNULLGOTO(a,b) \ - if (unlikely(!(a))) { \ - err("%s==NULL at %s:%d!", #a, __FILE__, __LINE__); \ - goto b; \ - } - extern int gigaset_debuglevel; /* "needs" cast to (enum debuglevel) */ /* any combination of these can be given with the 'debug=' parameter to insmod, diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c index 4a00d22c496e..0b7e5b610cc9 100644 --- a/drivers/isdn/gigaset/isocdata.c +++ b/drivers/isdn/gigaset/isocdata.c @@ -247,8 +247,6 @@ static inline void dump_bytes(enum debuglevel level, const char *tag, 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 unsigned char bitcounts[256] = { 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 @@ void gigaset_isoc_input(struct inbuf_t *inbuf) */ 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", diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c index a977dd570751..e1a3eeb3c21a 100644 --- a/drivers/isdn/gigaset/usb-gigaset.c +++ b/drivers/isdn/gigaset/usb-gigaset.c @@ -365,18 +365,12 @@ static void gigaset_modem_fill(unsigned long data) */ static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs) { + struct inbuf_t *inbuf = urb->context; + struct cardstate *cs = inbuf->cs; int resubmit = 0; int r; - struct cardstate *cs; unsigned numbytes; unsigned char *src; - struct inbuf_t *inbuf; - - IFNULLRET(urb); - inbuf = (struct inbuf_t *) urb->context; - IFNULLRET(inbuf); - cs = inbuf->cs; - IFNULLRET(cs); if (!atomic_read(&cs->connected)) { err("%s: disconnected", __func__); @@ -421,9 +415,8 @@ static void gigaset_read_int_callback(struct urb *urb, struct pt_regs *regs) /* This callback routine is called when data was transmitted to the device. */ static void gigaset_write_bulk_callback(struct urb *urb, struct pt_regs *regs) { - struct cardstate *cs = (struct cardstate *) urb->context; + struct cardstate *cs = urb->context; - IFNULLRET(cs); #ifdef CONFIG_GIGASET_DEBUG if (!atomic_read(&cs->connected)) { err("%s: not connected", __func__); @@ -632,20 +625,13 @@ static int gigaset_initcshw(struct cardstate *cs) /* Send data from current skb to the device. */ static int write_modem(struct cardstate *cs) { - int ret; + int ret = 0; int count; struct bc_state *bcs = &cs->bcs[0]; /* only one channel */ struct usb_cardstate *ucs = cs->hw.usb; - IFNULLRETVAL(bcs->tx_skb, -EINVAL); - gig_dbg(DEBUG_WRITE, "len: %d...", bcs->tx_skb->len); - ret = -ENODEV; - IFNULLGOTO(ucs->bulk_out_buffer, error); - IFNULLGOTO(ucs->bulk_out_urb, error); - ret = 0; - if (!bcs->tx_skb->len) { dev_kfree_skb_any(bcs->tx_skb); bcs->tx_skb = NULL; @@ -683,11 +669,6 @@ static int write_modem(struct cardstate *cs) } return ret; -error: - dev_kfree_skb_any(bcs->tx_skb); - bcs->tx_skb = NULL; - return ret; - } static int gigaset_probe(struct usb_interface *interface, |
