diff options
| author | Vadim Yanitskiy <axilirator@gmail.com> | 2018-08-03 03:45:06 +0700 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2018-08-05 07:14:19 +0000 |
| commit | 3fc4616224db31d4c4b14d919dd5c719d4ab19f1 (patch) | |
| tree | ad9807c8f44be7f6051be2f41760b06cf1d8dc96 /src/gsm/gsm0480.c | |
| parent | 893e49e99359fb80b25aa3ba5e1c8f03b07e66a3 (diff) | |
gsm/gsm0480.c: prevent NULL-pointer dereference
Change-Id: I444d95941837458b46e581298f76f3a9926c8552
Diffstat (limited to 'src/gsm/gsm0480.c')
| -rw-r--r-- | src/gsm/gsm0480.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gsm/gsm0480.c b/src/gsm/gsm0480.c index 2d2df4ad..5b51c754 100644 --- a/src/gsm/gsm0480.c +++ b/src/gsm/gsm0480.c @@ -880,7 +880,11 @@ struct msgb *gsm0480_create_ussd_resp(uint8_t invoke_id, uint8_t trans_id, const */ struct msgb *gsm0480_gen_return_error(uint8_t invoke_id, uint8_t error_code) { - struct msgb *msg = gsm0480_msgb_alloc_name("TS 04.80 ReturnError"); + struct msgb *msg; + + msg = gsm0480_msgb_alloc_name("TS 04.80 ReturnError"); + if (!msg) + return NULL; /* First insert the problem code */ msgb_push_TLV1(msg, GSM_0480_ERROR_CODE_TAG, error_code); @@ -906,7 +910,11 @@ struct msgb *gsm0480_gen_return_error(uint8_t invoke_id, uint8_t error_code) */ struct msgb *gsm0480_gen_reject(int invoke_id, uint8_t problem_tag, uint8_t problem_code) { - struct msgb *msg = gsm0480_msgb_alloc_name("TS 04.80 Reject"); + struct msgb *msg; + + msg = gsm0480_msgb_alloc_name("TS 04.80 Reject"); + if (!msg) + return NULL; /* First insert the problem code */ msgb_push_TLV1(msg, problem_tag, problem_code); |