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-rw-r--r--src/gsm/gsm0480.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gsm/gsm0480.c b/src/gsm/gsm0480.c
index d7c29787..dcf487af 100644
--- a/src/gsm/gsm0480.c
+++ b/src/gsm/gsm0480.c
@@ -456,8 +456,8 @@ static int parse_process_uss_req(const uint8_t *uss_req_data, uint16_t length,
(uss_req_data[5] == ASN1_OCTET_STRING_TAG)) {
num_chars = (uss_req_data[6] * 8) / 7;
/* Prevent a mobile-originated buffer-overrun! */
- if (num_chars > MAX_LEN_USSD_STRING)
- num_chars = MAX_LEN_USSD_STRING;
+ if (num_chars > GSM0480_USSD_7BIT_STRING_LEN)
+ num_chars = GSM0480_USSD_7BIT_STRING_LEN;
gsm_7bit_decode_n_ussd((char *)req->ussd_text,
sizeof(req->ussd_text),
&(uss_req_data[7]), num_chars);