5 files changed, 74 insertions, 89 deletions

diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 690ac74c82a8..c438cfcb7c6d 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -108,7 +108,7 @@ int gigaset_enterconfigmode(struct cardstate *cs)
 {
         int i, r;
 
-        cs->control_state = TIOCM_RTS; //FIXME
+        cs->control_state = TIOCM_RTS;
 
         r = setflags(cs, TIOCM_DTR, 200);
         if (r < 0)
@@ -132,10 +132,10 @@ int gigaset_enterconfigmode(struct cardstate *cs)
 
 error:
         dev_err(cs->dev, "error %d on setuartbits\n", -r);
-        cs->control_state = TIOCM_RTS|TIOCM_DTR; // FIXME is this a good value?
+        cs->control_state = TIOCM_RTS|TIOCM_DTR;
         cs->ops->set_modem_ctrl(cs, 0, TIOCM_RTS|TIOCM_DTR);
 
-        return -1; //r
+        return -1;
 }
 
 static int test_timeout(struct at_state_t *at_state)
@@ -150,10 +150,9 @@ static int test_timeout(struct at_state_t *at_state)
         }
 
         if (!gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
-                               at_state->timer_index, NULL)) {
-                //FIXME what should we do?
-        }
-
+                               at_state->timer_index, NULL))
+                        dev_err(at_state->cs->dev, "%s: out of memory\n",
+                                __func__);
         return 1;
 }
 
@@ -393,9 +392,8 @@ static void gigaset_freebcs(struct bc_state *bcs)
         int i;
 
         gig_dbg(DEBUG_INIT, "freeing bcs[%d]->hw", bcs->channel);
-        if (!bcs->cs->ops->freebcshw(bcs)) {
+        if (!bcs->cs->ops->freebcshw(bcs))
                 gig_dbg(DEBUG_INIT, "failed");
-        }
 
         gig_dbg(DEBUG_INIT, "clearing bcs[%d]->at_state", bcs->channel);
         clear_at_state(&bcs->at_state);
@@ -503,8 +501,6 @@ void gigaset_freecs(struct cardstate *cs)
                 gig_dbg(DEBUG_INIT, "clearing hw");
                 cs->ops->freecshw(cs);
 
-                //FIXME cmdbuf
-
                 /* fall through */
         case 2: /* error in initcshw */
                 /* Deregister from LL */
@@ -622,7 +618,7 @@ static struct bc_state *gigaset_initbcs(struct bc_state *bcs,
 {
         int i;
 
-        bcs->tx_skb = NULL; //FIXME -> hw part
+        bcs->tx_skb = NULL;
 
         skb_queue_head_init(&bcs->squeue);
 
@@ -696,12 +692,13 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
                                  int onechannel, int ignoreframes,
                                  int cidmode, const char *modulename)
 {
-        struct cardstate *cs = NULL;
+        struct cardstate *cs;
         unsigned long flags;
         int i;
 
         gig_dbg(DEBUG_INIT, "allocating cs");
-        if (!(cs = alloc_cs(drv))) {
+        cs = alloc_cs(drv);
+        if (!cs) {
                 pr_err("maximum number of devices exceeded\n");
                 return NULL;
         }
@@ -931,15 +928,13 @@ int gigaset_start(struct cardstate *cs)
                 cs->ops->baud_rate(cs, B115200);
                 cs->ops->set_line_ctrl(cs, CS8);
                 cs->control_state = TIOCM_DTR|TIOCM_RTS;
-        } else {
-                //FIXME use some saved values?
         }
 
         cs->waiting = 1;
 
         if (!gigaset_add_event(cs, &cs->at_state, EV_START, NULL, 0, NULL)) {
                 cs->waiting = 0;
-                //FIXME what should we do?
+                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 goto error;
         }
 
@@ -979,7 +974,7 @@ int gigaset_shutdown(struct cardstate *cs)
         cs->waiting = 1;
 
         if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL)) {
-                //FIXME what should we do?
+                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 goto exit;
         }
 
@@ -1010,7 +1005,7 @@ void gigaset_stop(struct cardstate *cs)
         cs->waiting = 1;
 
         if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL)) {
-                //FIXME what should we do?
+                dev_err(cs->dev, "%s: out of memory\n", __func__);
                 goto exit;
         }
 
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 18bff9f80727..3c74cd164019 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -34,8 +34,8 @@
 #include <linux/list.h>
 #include <asm/atomic.h>
 
-#define GIG_VERSION {0,5,0,0}
-#define GIG_COMPAT  {0,4,0,0}
+#define GIG_VERSION {0, 5, 0, 0}
+#define GIG_COMPAT  {0, 4, 0, 0}
 
 #define MAX_REC_PARAMS 10       /* Max. number of params in response string */
 #define MAX_RESP_SIZE 512       /* Max. size of a response string */
@@ -133,35 +133,32 @@ void gigaset_dbg_buffer(enum debuglevel level, const unsigned char *msg,
 #define OUT_VENDOR_REQ  (USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
 #define IN_VENDOR_REQ   (USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_ENDPOINT)
 
-/* int-in-events 3070 */
+/* interrupt pipe messages */
 #define HD_B1_FLOW_CONTROL              0x80
 #define HD_B2_FLOW_CONTROL              0x81
-#define HD_RECEIVEATDATA_ACK            (0x35)          // 3070
-                                                // att: HD_RECEIVE>>AT<<DATA_ACK
-#define HD_READY_SEND_ATDATA            (0x36)          // 3070
-#define HD_OPEN_ATCHANNEL_ACK           (0x37)          // 3070
-#define HD_CLOSE_ATCHANNEL_ACK          (0x38)          // 3070
-#define HD_DEVICE_INIT_OK               (0x11)          // ISurf USB + 3070
-#define HD_OPEN_B1CHANNEL_ACK           (0x51)          // ISurf USB + 3070
-#define HD_OPEN_B2CHANNEL_ACK           (0x52)          // ISurf USB + 3070
-#define HD_CLOSE_B1CHANNEL_ACK          (0x53)          // ISurf USB + 3070
-#define HD_CLOSE_B2CHANNEL_ACK          (0x54)          // ISurf USB + 3070
-//       Powermangment
-#define HD_SUSPEND_END                  (0x61)          // ISurf USB
-//   Configuration
-#define HD_RESET_INTERRUPT_PIPE_ACK     (0xFF)          // ISurf USB + 3070
-
-/* control requests 3070 */
-#define HD_OPEN_B1CHANNEL               (0x23)          // ISurf USB + 3070
-#define HD_CLOSE_B1CHANNEL              (0x24)          // ISurf USB + 3070
-#define HD_OPEN_B2CHANNEL               (0x25)          // ISurf USB + 3070
-#define HD_CLOSE_B2CHANNEL              (0x26)          // ISurf USB + 3070
-#define HD_RESET_INTERRUPT_PIPE         (0x27)          // ISurf USB + 3070
-#define HD_DEVICE_INIT_ACK              (0x34)          // ISurf USB + 3070
-#define HD_WRITE_ATMESSAGE              (0x12)          // 3070
-#define HD_READ_ATMESSAGE               (0x13)          // 3070
-#define HD_OPEN_ATCHANNEL               (0x28)          // 3070
-#define HD_CLOSE_ATCHANNEL              (0x29)          // 3070
+#define HD_RECEIVEATDATA_ACK            (0x35)          /* 3070 */
+#define HD_READY_SEND_ATDATA            (0x36)          /* 3070 */
+#define HD_OPEN_ATCHANNEL_ACK           (0x37)          /* 3070 */
+#define HD_CLOSE_ATCHANNEL_ACK          (0x38)          /* 3070 */
+#define HD_DEVICE_INIT_OK               (0x11)          /* ISurf USB + 3070 */
+#define HD_OPEN_B1CHANNEL_ACK           (0x51)          /* ISurf USB + 3070 */
+#define HD_OPEN_B2CHANNEL_ACK           (0x52)          /* ISurf USB + 3070 */
+#define HD_CLOSE_B1CHANNEL_ACK          (0x53)          /* ISurf USB + 3070 */
+#define HD_CLOSE_B2CHANNEL_ACK          (0x54)          /* ISurf USB + 3070 */
+#define HD_SUSPEND_END                  (0x61)          /* ISurf USB */
+#define HD_RESET_INTERRUPT_PIPE_ACK     (0xFF)          /* ISurf USB + 3070 */
+
+/* control requests */
+#define HD_OPEN_B1CHANNEL               (0x23)          /* ISurf USB + 3070 */
+#define HD_CLOSE_B1CHANNEL              (0x24)          /* ISurf USB + 3070 */
+#define HD_OPEN_B2CHANNEL               (0x25)          /* ISurf USB + 3070 */
+#define HD_CLOSE_B2CHANNEL              (0x26)          /* ISurf USB + 3070 */
+#define HD_RESET_INTERRUPT_PIPE         (0x27)          /* ISurf USB + 3070 */
+#define HD_DEVICE_INIT_ACK              (0x34)          /* ISurf USB + 3070 */
+#define HD_WRITE_ATMESSAGE              (0x12)          /* 3070 */
+#define HD_READ_ATMESSAGE               (0x13)          /* 3070 */
+#define HD_OPEN_ATCHANNEL               (0x28)          /* 3070 */
+#define HD_CLOSE_ATCHANNEL              (0x29)          /* 3070 */
 
 /* number of B channels supported by base driver */
 #define BAS_CHANNELS    2
@@ -631,7 +628,8 @@ struct gigaset_ops {
 
 };
 
-/* = Common structures and definitions ======================================= */
+/* = Common structures and definitions =======================================
+ */
 
 /* Parser states for DLE-Event:
  * <DLE-EVENT>: <DLE_FLAG> "X" <EVENT> <DLE_FLAG> "."
@@ -776,7 +774,7 @@ struct event_t *gigaset_add_event(struct cardstate *cs,
                                   void *ptr, int parameter, void *arg);
 
 /* Called on CONFIG1 command from frontend. */
-int gigaset_enterconfigmode(struct cardstate *cs); //0: success <0: errorcode
+int gigaset_enterconfigmode(struct cardstate *cs);
 
 /* cs->lock must not be locked */
 static inline void gigaset_schedule_event(struct cardstate *cs)
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index 828824f905c4..c129ee47a8fb 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -39,12 +39,12 @@
 static int writebuf_from_LL(int driverID, int channel, int ack,
                             struct sk_buff *skb)
 {
-        struct cardstate *cs;
+        struct cardstate *cs = gigaset_get_cs_by_id(driverID);
         struct bc_state *bcs;
         unsigned char *ack_header;
         unsigned len;
 
-        if (!(cs = gigaset_get_cs_by_id(driverID))) {
+        if (!cs) {
                 pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
                 return -ENODEV;
         }
@@ -391,22 +391,19 @@ static int command_from_LL(isdn_ctrl *cntrl)
 
                 break;
         case ISDN_CMD_PROCEED:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED"); //FIXME
+                gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED");
                 break;
         case ISDN_CMD_ALERT:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT"); //FIXME
+                gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT");
                 if (cntrl->arg >= cs->channels) {
                         dev_err(cs->dev,
                                 "ISDN_CMD_ALERT: invalid channel (%d)\n",
                                 (int) cntrl->arg);
                         return -EINVAL;
                 }
-                //bcs = cs->bcs + cntrl->arg;
-                //bcs->proto2 = -1;
-                // FIXME
                 break;
         case ISDN_CMD_REDIR:
-                gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR"); //FIXME
+                gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR");
                 break;
         case ISDN_CMD_PROT_IO:
                 gig_dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO");
@@ -486,7 +483,7 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
         /* fill ICALL structure */
         response.parm.setup.si1 = 0;    /* default: unknown */
         response.parm.setup.si2 = 0;
-        response.parm.setup.screen = 0; //FIXME how to set these?
+        response.parm.setup.screen = 0;
         response.parm.setup.plan = 0;
         if (!at_state->str_var[STR_ZBC]) {
                 /* no BC (internal call): assume speech, A-law */
@@ -507,26 +504,24 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
                 return ICALL_IGNORE;
         }
         if (at_state->str_var[STR_NMBR]) {
-                strncpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
-                        sizeof response.parm.setup.phone - 1);
-                response.parm.setup.phone[sizeof response.parm.setup.phone - 1] = 0;
+                strlcpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
+                        sizeof response.parm.setup.phone);
         } else
                 response.parm.setup.phone[0] = 0;
         if (at_state->str_var[STR_ZCPN]) {
-                strncpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
-                        sizeof response.parm.setup.eazmsn - 1);
-                response.parm.setup.eazmsn[sizeof response.parm.setup.eazmsn - 1] = 0;
+                strlcpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
+                        sizeof response.parm.setup.eazmsn);
         } else
                 response.parm.setup.eazmsn[0] = 0;
 
         if (!bcs) {
                 dev_notice(cs->dev, "no channel for incoming call\n");
                 response.command = ISDN_STAT_ICALLW;
-                response.arg = 0; //FIXME
+                response.arg = 0;
         } else {
                 gig_dbg(DEBUG_CMD, "Sending ICALL");
                 response.command = ISDN_STAT_ICALL;
-                response.arg = bcs->channel; //FIXME
+                response.arg = bcs->channel;
         }
         response.driver = cs->myid;
         retval = iif->statcallb(&response);
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 6a8e1384e7bd..577809c03aed 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -162,7 +162,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
                 return -ENODEV;
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
         tty->driver_data = cs;
 
         ++cs->open_count;
@@ -171,7 +171,7 @@ static int if_open(struct tty_struct *tty, struct file *filp)
                 spin_lock_irqsave(&cs->lock, flags);
                 cs->tty = tty;
                 spin_unlock_irqrestore(&cs->lock, flags);
-                tty->low_latency = 1; //FIXME test
+                tty->low_latency = 1;
         }
 
         mutex_unlock(&cs->mutex);
@@ -228,7 +228,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
         gig_dbg(DEBUG_IF, "%u: %s(0x%x)", cs->minor_index, __func__, cmd);
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
         if (!cs->connected) {
                 gig_dbg(DEBUG_IF, "not connected");
@@ -299,9 +299,8 @@ static int if_tiocmget(struct tty_struct *tty, struct file *file)
         gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
-        // FIXME read from device?
         retval = cs->control_state & (TIOCM_RTS|TIOCM_DTR);
 
         mutex_unlock(&cs->mutex);
@@ -326,7 +325,7 @@ static int if_tiocmset(struct tty_struct *tty, struct file *file,
                 cs->minor_index, __func__, set, clear);
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
         if (!cs->connected) {
                 gig_dbg(DEBUG_IF, "not connected");
@@ -356,7 +355,7 @@ static int if_write(struct tty_struct *tty, const unsigned char *buf, int count)
         gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
         if (!cs->connected) {
                 gig_dbg(DEBUG_IF, "not connected");
@@ -390,7 +389,7 @@ static int if_write_room(struct tty_struct *tty)
         gig_dbg(DEBUG_IF, "%u: %s()", cs->minor_index, __func__);
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
         if (!cs->connected) {
                 gig_dbg(DEBUG_IF, "not connected");
@@ -455,9 +454,8 @@ static void if_throttle(struct tty_struct *tty)
                 gig_dbg(DEBUG_IF, "not connected");     /* nothing to do */
         else if (!cs->open_count)
                 dev_warn(cs->dev, "%s: device not opened\n", __func__);
-        else {
-                //FIXME
-        }
+        else
+                gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
 
         mutex_unlock(&cs->mutex);
 }
@@ -480,9 +478,8 @@ static void if_unthrottle(struct tty_struct *tty)
                 gig_dbg(DEBUG_IF, "not connected");     /* nothing to do */
         else if (!cs->open_count)
                 dev_warn(cs->dev, "%s: device not opened\n", __func__);
-        else {
-                //FIXME
-        }
+        else
+                gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
 
         mutex_unlock(&cs->mutex);
 }
@@ -515,10 +512,9 @@ static void if_set_termios(struct tty_struct *tty, struct ktermios *old)
                 goto out;
         }
 
-        // stolen from mct_u232.c
         iflag = tty->termios->c_iflag;
         cflag = tty->termios->c_cflag;
-        old_cflag = old ? old->c_cflag : cflag; //FIXME?
+        old_cflag = old ? old->c_cflag : cflag;
         gig_dbg(DEBUG_IF, "%u: iflag %x cflag %x old %x",
                 cs->minor_index, iflag, cflag, old_cflag);
 
@@ -632,7 +628,8 @@ void gigaset_if_receive(struct cardstate *cs,
         struct tty_struct *tty;
 
         spin_lock_irqsave(&cs->lock, flags);
-        if ((tty = cs->tty) == NULL)
+        tty = cs->tty;
+        if (tty == NULL)
                 gig_dbg(DEBUG_ANY, "receive on closed device");
         else {
                 tty_buffer_request_room(tty, len);
@@ -659,9 +656,9 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
         drv->have_tty = 0;
 
-        if ((drv->tty = alloc_tty_driver(minors)) == NULL)
+        drv->tty = tty = alloc_tty_driver(minors);
+        if (tty == NULL)
                 goto enomem;
-        tty = drv->tty;
 
         tty->magic =            TTY_DRIVER_MAGIC,
         tty->major =            GIG_MAJOR,
@@ -676,8 +673,8 @@ void gigaset_if_initdriver(struct gigaset_driver *drv, const char *procname,
 
         tty->owner =            THIS_MODULE;
 
-        tty->init_termios          = tty_std_termios; //FIXME
-        tty->init_termios.c_cflag  = B9600 | CS8 | CREAD | HUPCL | CLOCAL; //FIXME
+        tty->init_termios          = tty_std_termios;
+        tty->init_termios.c_cflag  = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
         tty_set_operations(tty, &if_ops);
 
         ret = tty_register_driver(tty);
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index 9715aad9c3f0..758a00c1d2e2 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -39,7 +39,7 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
                         return -EINVAL;
 
         if (mutex_lock_interruptible(&cs->mutex))
-                return -ERESTARTSYS; // FIXME -EINTR?
+                return -ERESTARTSYS;
 
         cs->waiting = 1;
         if (!gigaset_add_event(cs, &cs->at_state, EV_PROC_CIDMODE,