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authorPau Espin Pedrol <pespin@sysmocom.de>2017-06-29 11:07:44 +0200
committerPau Espin Pedrol <pespin@sysmocom.de>2017-06-30 08:48:34 +0000
commit7738f5282f8ab4571715f1907fa47360b6b68064 (patch)
tree233d413719b0dadaafb80410100330d97d2a460c /src
parent0ada527bc0f3a408cee510ad9105c551642efc8e (diff)
litecell15/tch.c: Clean up use of empty buffer
Make code easier to read and avoid reading first byte of the buffer if size is 0. Change-Id: Ib9ee967c0f42098b3a0569e9d84f23832eb4f2d5
Diffstat (limited to 'src')
-rw-r--r--src/osmo-bts-litecell15/tch.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/osmo-bts-litecell15/tch.c b/src/osmo-bts-litecell15/tch.c
index ffc1eb3..8bed695 100644
--- a/src/osmo-bts-litecell15/tch.c
+++ b/src/osmo-bts-litecell15/tch.c
@@ -361,9 +361,7 @@ int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr, struct msgb *l1p_msg)
{
GsmL1_Prim_t *l1p = msgb_l1prim(l1p_msg);
GsmL1_PhDataInd_t *data_ind = &l1p->u.phDataInd;
- uint8_t payload_type = data_ind->msgUnitParam.u8Buffer[0];
- uint8_t *payload = data_ind->msgUnitParam.u8Buffer + 1;
- uint8_t payload_len, sid_first[9] = { 0 };
+ uint8_t *payload, payload_type, payload_len, sid_first[9] = { 0 };
struct msgb *rmsg = NULL;
struct gsm_lchan *lchan = &trx->ts[L1SAP_CHAN2TS(chan_nr)].lchan[l1sap_chan2ss(chan_nr)];
@@ -375,6 +373,9 @@ int l1if_tch_rx(struct gsm_bts_trx *trx, uint8_t chan_nr, struct msgb *l1p_msg)
chan_nr);
return -EINVAL;
}
+
+ payload_type = data_ind->msgUnitParam.u8Buffer[0];
+ payload = data_ind->msgUnitParam.u8Buffer + 1;
payload_len = data_ind->msgUnitParam.u8Size - 1;
switch (payload_type) {