From d48c77841a71ba552ef4e6a862642073652f4473 Mon Sep 17 00:00:00 2001 From: Tilman Schmidt Date: Mon, 10 Apr 2006 22:55:08 -0700 Subject: [PATCH] isdn4linux: Siemens Gigaset drivers: remove IFNULL macros With Hansjoerg Lipp Remove the IFNULL debugging macros from the Gigaset drivers. Signed-off-by: Hansjoerg Lipp Signed-off-by: Tilman Schmidt Cc: Karsten Keil Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/isdn/gigaset/bas-gigaset.c | 174 +++++++------------------------------ 1 file changed, 29 insertions(+), 145 deletions(-) (limited to 'drivers/isdn/gigaset/bas-gigaset.c') diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 1cf48cfad1d..b75f2f37c35 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); -- cgit v1.2.3