gsm_data_shared: use 'const' whenever applicable
diff --git a/openbsc/include/openbsc/gsm_data_shared.h b/openbsc/include/openbsc/gsm_data_shared.h
index 4516aba..ceb5398 100644
--- a/openbsc/include/openbsc/gsm_data_shared.h
+++ b/openbsc/include/openbsc/gsm_data_shared.h
@@ -584,15 +584,15 @@
struct gsm_bts *gsm_bts_alloc(void *talloc_ctx);
struct gsm_bts_trx *gsm_bts_trx_alloc(struct gsm_bts *bts);
-struct gsm_bts_trx *gsm_bts_trx_num(struct gsm_bts *bts, int num);
+struct gsm_bts_trx *gsm_bts_trx_num(const struct gsm_bts *bts, int num);
const char *gsm_pchan_name(enum gsm_phys_chan_config c);
enum gsm_phys_chan_config gsm_pchan_parse(const char *name);
const char *gsm_lchant_name(enum gsm_chan_t c);
const char *gsm_chreq_name(enum gsm_chreq_reason_t c);
-char *gsm_trx_name(struct gsm_bts_trx *trx);
-char *gsm_ts_name(struct gsm_bts_trx_ts *ts);
-char *gsm_lchan_name(struct gsm_lchan *lchan);
+char *gsm_trx_name(const struct gsm_bts_trx *trx);
+char *gsm_ts_name(const struct gsm_bts_trx_ts *ts);
+char *gsm_lchan_name(const struct gsm_lchan *lchan);
const char *gsm_lchans_name(enum gsm_lchan_state s);
@@ -600,14 +600,14 @@
struct gsm_abis_mo *
gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class,
- struct abis_om_obj_inst *obj_inst);
+ const struct abis_om_obj_inst *obj_inst);
struct gsm_nm_state *
gsm_objclass2nmstate(struct gsm_bts *bts, uint8_t obj_class,
- struct abis_om_obj_inst *obj_inst);
+ const struct abis_om_obj_inst *obj_inst);
void *
gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class,
- struct abis_om_obj_inst *obj_inst);
+ const struct abis_om_obj_inst *obj_inst);
/* reset the state of all MO in the BTS */
void gsm_bts_mo_reset(struct gsm_bts *bts);