From 12f93be6073ed89055862baafbfe0e08e50ed17a Mon Sep 17 00:00:00 2001 From: Oliver Smith Date: Tue, 19 May 2020 09:44:49 +0200 Subject: gsmtap_makemsg_ex: NULL for unknown chan_type Related: osmo-bts Ic22ab71e520ab44429a93724250d349d16250801 Change-Id: Ib4147a33a75c3cf425c30da8b0678c7fba8a371d --- src/gsmtap_util.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/gsmtap_util.c b/src/gsmtap_util.c index 9a0ac027..8674f1c1 100644 --- a/src/gsmtap_util.c +++ b/src/gsmtap_util.c @@ -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; -- cgit v1.2.3