diff options
| -rw-r--r-- | drivers/isdn/gigaset/ev-layer.c | 56 |
1 files changed, 19 insertions, 37 deletions
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c index b2a1fb1..dc6e6a3 100644 --- a/drivers/isdn/gigaset/ev-layer.c +++ b/drivers/isdn/gigaset/ev-layer.c @@ -389,24 +389,6 @@ zsau_resp[] = {NULL, ZSAU_UNKNOWN} }; -/* retrieve CID from parsed response - * returns 0 if no CID, -1 if invalid CID, or CID value 1..65535 - */ -static int cid_of_response(char *s) -{ - int cid; - int rc; - - if (s[-1] != ';') - return 0; /* no CID separator */ - rc = kstrtoint(s, 10, &cid); - if (rc) - return 0; /* CID not numeric */ - if (cid < 1 || cid > 65535) - return -1; /* CID out of range */ - return cid; -} - /* queue event with CID */ static void add_cid_event(struct cardstate *cs, int cid, int type, void *ptr, int parameter) @@ -451,7 +433,7 @@ void gigaset_handle_modem_response(struct cardstate *cs) unsigned char *argv[MAX_REC_PARAMS + 1]; int params; int i, j; - char *ptr; + char *psep, *ptr; const struct resp_type_t *rt; const struct zsau_resp_t *zr; int curarg; @@ -474,6 +456,18 @@ void gigaset_handle_modem_response(struct cardstate *cs) return; } + /* check for CID */ + psep = strrchr(cs->respdata, ';'); + if (psep && + !kstrtoint(psep + 1, 10, &cid) && + cid >= 1 && cid <= 65535) { + /* valid CID: chop it off */ + *psep = 0; + } else { + /* no valid CID: leave unchanged */ + cid = 0; + } + /* parse line */ argv[0] = cs->respdata; params = 1; @@ -482,29 +476,17 @@ void gigaset_handle_modem_response(struct cardstate *cs) case ';': case ',': case '=': - if (params > MAX_REC_PARAMS) { + cs->respdata[i] = 0; + if (params > MAX_REC_PARAMS) dev_warn(cs->dev, "too many parameters in response\n"); - /* need last parameter (might be CID) */ - params--; - } - argv[params++] = cs->respdata + i + 1; + else + argv[params++] = cs->respdata + i + 1; } - cid = params > 1 ? cid_of_response(argv[params - 1]) : 0; - if (cid < 0) { - gigaset_add_event(cs, &cs->at_state, RSP_INVAL, NULL, 0, NULL); - return; - } - - for (j = 1; j < params; ++j) - argv[j][-1] = 0; - gig_dbg(DEBUG_EVENT, "CMD received: %s", argv[0]); - if (cid) { - --params; - gig_dbg(DEBUG_EVENT, "CID: %s", argv[params]); - } + if (cid) + gig_dbg(DEBUG_EVENT, "CID: %d", cid); gig_dbg(DEBUG_EVENT, "available params: %d", params - 1); for (j = 1; j < params; j++) gig_dbg(DEBUG_EVENT, "param %d: %s", j, argv[j]); |
