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Diffstat (limited to 'drivers/isdn/gigaset')
-rw-r--r--drivers/isdn/gigaset/capi.c155
-rw-r--r--drivers/isdn/gigaset/ev-layer.c116
-rw-r--r--drivers/isdn/gigaset/usb-gigaset.c4
3 files changed, 208 insertions, 67 deletions
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 3286903a95d2..ccec7778cad2 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -250,6 +250,8 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag,
l -= 12;
if (l <= 0)
return;
+ if (l > 64)
+ l = 64; /* arbitrary limit */
dbgline = kmalloc(3 * l, GFP_ATOMIC);
if (!dbgline)
return;
@@ -645,7 +647,13 @@ int gigaset_isdn_icall(struct at_state_t *at_state)
__func__);
break;
}
- capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+ if (capi_cmsg2message(&iif->hcmsg,
+ __skb_put(skb, msgsize))) {
+ dev_err(cs->dev, "%s: message parser failure\n",
+ __func__);
+ dev_kfree_skb_any(skb);
+ break;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
/* add to listeners on this B channel, update state */
@@ -691,7 +699,12 @@ static void send_disconnect_ind(struct bc_state *bcs,
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
- capi_cmsg2message(&iif->hcmsg, __skb_put(skb, CAPI_DISCONNECT_IND_LEN));
+ if (capi_cmsg2message(&iif->hcmsg,
+ __skb_put(skb, CAPI_DISCONNECT_IND_LEN))) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
}
@@ -721,8 +734,12 @@ static void send_disconnect_b3_ind(struct bc_state *bcs,
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
- capi_cmsg2message(&iif->hcmsg,
- __skb_put(skb, CAPI_DISCONNECT_B3_IND_BASELEN));
+ if (capi_cmsg2message(&iif->hcmsg,
+ __skb_put(skb, CAPI_DISCONNECT_B3_IND_BASELEN))) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
}
@@ -787,7 +804,11 @@ void gigaset_isdn_connD(struct bc_state *bcs)
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
- capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+ if (capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize))) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
}
@@ -887,7 +908,11 @@ void gigaset_isdn_connB(struct bc_state *bcs)
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
- capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize));
+ if (capi_cmsg2message(&iif->hcmsg, __skb_put(skb, msgsize))) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->hcmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
}
@@ -1094,13 +1119,19 @@ static void send_conf(struct gigaset_capi_ctr *iif,
struct sk_buff *skb,
u16 info)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/*
* _CONF replies always only have NCCI and Info parameters
* so they'll fit into the _REQ message skb
*/
capi_cmsg_answer(&iif->acmsg);
iif->acmsg.Info = info;
- capi_cmsg2message(&iif->acmsg, skb->data);
+ if (capi_cmsg2message(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
__skb_trim(skb, CAPI_STDCONF_LEN);
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
@@ -1122,7 +1153,11 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
static u8 confparam[10]; /* max. 9 octets + length byte */
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/*
@@ -1180,6 +1215,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
confparam[3] = 2; /* length */
capimsg_setu16(confparam, 4,
CapiSupplementaryServiceNotSupported);
+ break;
}
info = CapiSuccess;
confparam[3] = 2; /* length */
@@ -1220,6 +1256,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
}
/* send FACILITY_CONF with given Info and confirmation parameter */
+ dev_kfree_skb_any(skb);
capi_cmsg_answer(cmsg);
cmsg->Info = info;
cmsg->FacilityConfirmationParameter = confparam;
@@ -1229,7 +1266,11 @@ static void do_facility_req(struct gigaset_capi_ctr *iif,
dev_err(cs->dev, "%s: out of memory\n", __func__);
return;
}
- capi_cmsg2message(cmsg, __skb_put(cskb, msgsize));
+ if (capi_cmsg2message(cmsg, __skb_put(cskb, msgsize))) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(cskb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, cskb);
}
@@ -1243,8 +1284,14 @@ static void do_listen_req(struct gigaset_capi_ctr *iif,
struct gigaset_capi_appl *ap,
struct sk_buff *skb)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/* decode message */
- capi_message2cmsg(&iif->acmsg, skb->data);
+ if (capi_message2cmsg(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
/* store listening parameters */
@@ -1261,8 +1308,14 @@ static void do_alert_req(struct gigaset_capi_ctr *iif,
struct gigaset_capi_appl *ap,
struct sk_buff *skb)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/* decode message */
- capi_message2cmsg(&iif->acmsg, skb->data);
+ if (capi_message2cmsg(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
send_conf(iif, ap, skb, CapiAlertAlreadySent);
}
@@ -1287,7 +1340,11 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
u16 info;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/* get free B channel & construct PLCI */
@@ -1574,7 +1631,11 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
int channel;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
dev_kfree_skb_any(skb);
@@ -1740,7 +1801,11 @@ static void do_connect_b3_req(struct gigaset_capi_ctr *iif,
int channel;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/* extract and check channel number from PLCI */
@@ -1785,7 +1850,11 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
u8 command;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/* extract and check channel number and NCCI */
@@ -1825,7 +1894,11 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
capi_cmsg_header(cmsg, ap->id, command, CAPI_IND,
ap->nextMessageNumber++, cmsg->adr.adrNCCI);
__skb_trim(skb, msgsize);
- capi_cmsg2message(cmsg, skb->data);
+ if (capi_cmsg2message(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, skb);
}
@@ -1847,7 +1920,11 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
int channel;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/* extract and check channel number from PLCI */
@@ -1903,8 +1980,14 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
kfree(b3cmsg);
return;
}
- capi_cmsg2message(b3cmsg,
- __skb_put(b3skb, CAPI_DISCONNECT_B3_IND_BASELEN));
+ if (capi_cmsg2message(b3cmsg,
+ __skb_put(b3skb, CAPI_DISCONNECT_B3_IND_BASELEN))) {
+ dev_err(cs->dev, "%s: message parser failure\n",
+ __func__);
+ kfree(b3cmsg);
+ dev_kfree_skb_any(b3skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, b3cmsg);
kfree(b3cmsg);
capi_ctr_handle_message(&iif->ctr, ap->id, b3skb);
@@ -1935,7 +2018,11 @@ static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
int channel;
/* decode message */
- capi_message2cmsg(cmsg, skb->data);
+ if (capi_message2cmsg(cmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, cmsg);
/* extract and check channel number and NCCI */
@@ -2052,8 +2139,14 @@ static void do_reset_b3_req(struct gigaset_capi_ctr *iif,
struct gigaset_capi_appl *ap,
struct sk_buff *skb)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/* decode message */
- capi_message2cmsg(&iif->acmsg, skb->data);
+ if (capi_message2cmsg(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
send_conf(iif, ap, skb,
CapiResetProcedureNotSupportedByCurrentProtocol);
@@ -2066,8 +2159,14 @@ static void do_unsupported(struct gigaset_capi_ctr *iif,
struct gigaset_capi_appl *ap,
struct sk_buff *skb)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/* decode message */
- capi_message2cmsg(&iif->acmsg, skb->data);
+ if (capi_message2cmsg(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
send_conf(iif, ap, skb, CapiMessageNotSupportedInCurrentState);
}
@@ -2079,8 +2178,14 @@ static void do_nothing(struct gigaset_capi_ctr *iif,
struct gigaset_capi_appl *ap,
struct sk_buff *skb)
{
+ struct cardstate *cs = iif->ctr.driverdata;
+
/* decode message */
- capi_message2cmsg(&iif->acmsg, skb->data);
+ if (capi_message2cmsg(&iif->acmsg, skb->data)) {
+ dev_err(cs->dev, "%s: message parser failure\n", __func__);
+ dev_kfree_skb_any(skb);
+ return;
+ }
dump_cmsg(DEBUG_CMD, __func__, &iif->acmsg);
dev_kfree_skb_any(skb);
}
@@ -2357,7 +2462,7 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
struct gigaset_capi_ctr *iif;
int rc;
- iif = kmalloc(sizeof(*iif), GFP_KERNEL);
+ iif = kzalloc(sizeof(*iif), GFP_KERNEL);
if (!iif) {
pr_err("%s: out of memory\n", __func__);
return -ENOMEM;
@@ -2366,7 +2471,7 @@ int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
/* prepare controller structure */
iif->ctr.owner = THIS_MODULE;
iif->ctr.driverdata = cs;
- strncpy(iif->ctr.name, isdnid, sizeof(iif->ctr.name));
+ strncpy(iif->ctr.name, isdnid, sizeof(iif->ctr.name) - 1);
iif->ctr.driver_name = "gigaset";
iif->ctr.load_firmware = NULL;
iif->ctr.reset_ctr = NULL;
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index dcae14aef376..c8ced12fa452 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -604,14 +604,14 @@ void gigaset_handle_modem_response(struct cardstate *cs)
}
EXPORT_SYMBOL_GPL(gigaset_handle_modem_response);
-/* disconnect
+/* disconnect_nobc
* process closing of connection associated with given AT state structure
+ * without B channel
*/
-static void disconnect(struct at_state_t **at_state_p)
+static void disconnect_nobc(struct at_state_t **at_state_p,
+ struct cardstate *cs)
{
unsigned long flags;
- struct bc_state *bcs = (*at_state_p)->bcs;
- struct cardstate *cs = (*at_state_p)->cs;
spin_lock_irqsave(&cs->lock, flags);
++(*at_state_p)->seq_index;
@@ -622,23 +622,44 @@ static void disconnect(struct at_state_t **at_state_p)
gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
cs->commands_pending = 1;
}
- spin_unlock_irqrestore(&cs->lock, flags);
- if (bcs) {
- /* B channel assigned: invoke hardware specific handler */
- cs->ops->close_bchannel(bcs);
- /* notify LL */
- if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
- bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
- gigaset_isdn_hupD(bcs);
- }
- } else {
- /* no B channel assigned: just deallocate */
- spin_lock_irqsave(&cs->lock, flags);
+ /* check for and deallocate temporary AT state */
+ if (!list_empty(&(*at_state_p)->list)) {
list_del(&(*at_state_p)->list);
kfree(*at_state_p);
*at_state_p = NULL;
- spin_unlock_irqrestore(&cs->lock, flags);
+ }
+
+ spin_unlock_irqrestore(&cs->lock, flags);
+}
+
+/* disconnect_bc
+ * process closing of connection associated with given AT state structure
+ * and B channel
+ */
+static void disconnect_bc(struct at_state_t *at_state,
+ struct cardstate *cs, struct bc_state *bcs)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&cs->lock, flags);
+ ++at_state->seq_index;
+
+ /* revert to selected idle mode */
+ if (!cs->cidmode) {
+ cs->at_state.pending_commands |= PC_UMMODE;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
+ cs->commands_pending = 1;
+ }
+ spin_unlock_irqrestore(&cs->lock, flags);
+
+ /* invoke hardware specific handler */
+ cs->ops->close_bchannel(bcs);
+
+ /* notify LL */
+ if (bcs->chstate & (CHS_D_UP | CHS_NOTIFY_LL)) {
+ bcs->chstate &= ~(CHS_D_UP | CHS_NOTIFY_LL);
+ gigaset_isdn_hupD(bcs);
}
}
@@ -646,7 +667,7 @@ static void disconnect(struct at_state_t **at_state_p)
* get a free AT state structure: either one of those associated with the
* B channels of the Gigaset device, or if none of those is available,
* a newly allocated one with bcs=NULL
- * The structure should be freed by calling disconnect() after use.
+ * The structure should be freed by calling disconnect_nobc() after use.
*/
static inline struct at_state_t *get_free_channel(struct cardstate *cs,
int cid)
@@ -1057,7 +1078,7 @@ static void do_action(int action, struct cardstate *cs,
struct event_t *ev)
{
struct at_state_t *at_state = *p_at_state;
- struct at_state_t *at_state2;
+ struct bc_state *bcs2;
unsigned long flags;
int channel;
@@ -1156,8 +1177,8 @@ static void do_action(int action, struct cardstate *cs,
break;
case ACT_RING:
/* get fresh AT state structure for new CID */
- at_state2 = get_free_channel(cs, ev->parameter);
- if (!at_state2) {
+ at_state = get_free_channel(cs, ev->parameter);
+ if (!at_state) {
dev_warn(cs->dev,
"RING ignored: could not allocate channel structure\n");
break;
@@ -1166,16 +1187,16 @@ static void do_action(int action, struct cardstate *cs,
/* initialize AT state structure
* note that bcs may be NULL if no B channel is free
*/
- at_state2->ConState = 700;
+ at_state->ConState = 700;
for (i = 0; i < STR_NUM; ++i) {
- kfree(at_state2->str_var[i]);
- at_state2->str_var[i] = NULL;
+ kfree(at_state->str_var[i]);
+ at_state->str_var[i] = NULL;
}
- at_state2->int_var[VAR_ZCTP] = -1;
+ at_state->int_var[VAR_ZCTP] = -1;
spin_lock_irqsave(&cs->lock, flags);
- at_state2->timer_expires = RING_TIMEOUT;
- at_state2->timer_active = 1;
+ at_state->timer_expires = RING_TIMEOUT;
+ at_state->timer_active = 1;
spin_unlock_irqrestore(&cs->lock, flags);
break;
case ACT_ICALL:
@@ -1213,14 +1234,17 @@ static void do_action(int action, struct cardstate *cs,
case ACT_DISCONNECT:
cs->cur_at_seq = SEQ_NONE;
at_state->cid = -1;
- if (bcs && cs->onechannel && cs->dle) {
+ if (!bcs) {
+ disconnect_nobc(p_at_state, cs);
+ } else if (cs->onechannel && cs->dle) {
/* Check for other open channels not needed:
* DLE only used for M10x with one B channel.
*/
at_state->pending_commands |= PC_DLE0;
cs->commands_pending = 1;
- } else
- disconnect(p_at_state);
+ } else {
+ disconnect_bc(at_state, cs, bcs);
+ }
break;
case ACT_FAKEDLE0:
at_state->int_var[VAR_ZDLE] = 0;
@@ -1228,25 +1252,27 @@ static void do_action(int action, struct cardstate *cs,
/* fall through */
case ACT_DLE0:
cs->cur_at_seq = SEQ_NONE;
- at_state2 = &cs->bcs[cs->curchannel].at_state;
- disconnect(&at_state2);
+ bcs2 = cs->bcs + cs->curchannel;
+ disconnect_bc(&bcs2->at_state, cs, bcs2);
break;
case ACT_ABORTHUP:
cs->cur_at_seq = SEQ_NONE;
dev_warn(cs->dev, "Could not hang up.\n");
at_state->cid = -1;
- if (bcs && cs->onechannel)
+ if (!bcs)
+ disconnect_nobc(p_at_state, cs);
+ else if (cs->onechannel)
at_state->pending_commands |= PC_DLE0;
else
- disconnect(p_at_state);
+ disconnect_bc(at_state, cs, bcs);
schedule_init(cs, MS_RECOVER);
break;
case ACT_FAILDLE0:
cs->cur_at_seq = SEQ_NONE;
dev_warn(cs->dev, "Error leaving DLE mode.\n");
cs->dle = 0;
- at_state2 = &cs->bcs[cs->curchannel].at_state;
- disconnect(&at_state2);
+ bcs2 = cs->bcs + cs->curchannel;
+ disconnect_bc(&bcs2->at_state, cs, bcs2);
schedule_init(cs, MS_RECOVER);
break;
case ACT_FAILDLE1:
@@ -1275,14 +1301,14 @@ static void do_action(int action, struct cardstate *cs,
if (reinit_and_retry(cs, channel) < 0) {
dev_warn(cs->dev,
"Could not get a call ID. Cannot dial.\n");
- at_state2 = &cs->bcs[channel].at_state;
- disconnect(&at_state2);
+ bcs2 = cs->bcs + channel;
+ disconnect_bc(&bcs2->at_state, cs, bcs2);
}
break;
case ACT_ABORTCID:
cs->cur_at_seq = SEQ_NONE;
- at_state2 = &cs->bcs[cs->curchannel].at_state;
- disconnect(&at_state2);
+ bcs2 = cs->bcs + cs->curchannel;
+ disconnect_bc(&bcs2->at_state, cs, bcs2);
break;
case ACT_DIALING:
@@ -1291,7 +1317,10 @@ static void do_action(int action, struct cardstate *cs,
break;
case ACT_ABORTACCEPT: /* hangup/error/timeout during ICALL procssng */
- disconnect(p_at_state);
+ if (bcs)
+ disconnect_bc(at_state, cs, bcs);
+ else
+ disconnect_nobc(p_at_state, cs);
break;
case ACT_ABORTDIAL: /* error/timeout during dial preparation */
@@ -1380,6 +1409,11 @@ static void do_action(int action, struct cardstate *cs,
/* events from the LL */
case ACT_DIAL:
+ if (!ev->ptr) {
+ *p_genresp = 1;
+ *p_resp_code = RSP_ERROR;
+ break;
+ }
start_dial(at_state, ev->ptr, ev->parameter);
break;
case ACT_ACCEPT:
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 82e91ba1acd3..a8e652dac54d 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -497,6 +497,7 @@ static int send_cb(struct cardstate *cs, struct cmdbuf_t *cb)
static int gigaset_write_cmd(struct cardstate *cs, struct cmdbuf_t *cb)
{
unsigned long flags;
+ int len;
gigaset_dbg_buffer(cs->mstate != MS_LOCKED ?
DEBUG_TRANSCMD : DEBUG_LOCKCMD,
@@ -515,10 +516,11 @@ static int gigaset_write_cmd(struct cardstate *cs, struct cmdbuf_t *cb)
spin_unlock_irqrestore(&cs->cmdlock, flags);
spin_lock_irqsave(&cs->lock, flags);
+ len = cb->len;
if (cs->connected)
tasklet_schedule(&cs->write_tasklet);
spin_unlock_irqrestore(&cs->lock, flags);
- return cb->len;
+ return len;
}
static int gigaset_write_room(struct cardstate *cs)
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 08:53:31 +0000