gsmtap_makemsg_ex: NULL for unknown chan_type

Related: osmo-bts Ic22ab71e520ab44429a93724250d349d16250801
Change-Id: Ib4147a33a75c3cf425c30da8b0678c7fba8a371d
Oliver Smith 3 years ago committed by osmith
parent cf70aa0c40
commit 12f93be607
  1. 6

@ -169,7 +169,8 @@ void chantype_gsmtap2rsl(uint8_t gsmtap_chantype, uint8_t *rsl_chantype,
* \param[in] snr Signal/Noise Ratio (SNR)
* \param[in] data Pointer to data buffer
* \param[in] len Length of \ref data
* \return dynamically allocated message buffer containing data
* \return dynamically allocated message buffer containing data,
* or NULL for unknown chan_type
* This function will allocate a new msgb and fill it with a GSMTAP
* header containing the information
@ -182,6 +183,9 @@ struct msgb *gsmtap_makemsg_ex(uint8_t type, uint16_t arfcn, uint8_t ts, uint8_t
struct gsmtap_hdr *gh;
uint8_t *dst;
if (chan_type == GSMTAP_CHANNEL_UNKNOWN)
return NULL;
msg = msgb_alloc(sizeof(*gh) + len, "gsmtap_tx");
if (!msg)
return NULL;