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abis_rsl: constify parameters of rsl_X_imm_assign_cmd

Related: OS#5198
Change-Id: I1bd2e0c844bf273d2c4381eec9e9bb9562254873
---
M include/osmocom/bsc/abis_rsl.h
M src/osmo-bsc/abis_rsl.c
2 files changed, 7 insertions(+), 5 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/28/31128/1

diff --git a/include/osmocom/bsc/abis_rsl.h b/include/osmocom/bsc/abis_rsl.h
index 0a9cfdc..ea029e6 100644
--- a/include/osmocom/bsc/abis_rsl.h
+++ b/include/osmocom/bsc/abis_rsl.h
@@ -55,7 +55,7 @@
 int rsl_paging_cmd(struct gsm_bts *bts, uint8_t paging_group,
 		   const struct osmo_mobile_identity *mi,
 		   uint8_t chan_needed, bool is_gprs);
-int rsl_imm_assign_cmd(struct gsm_bts *bts, uint8_t len, uint8_t *val);
+int rsl_imm_assign_cmd(const struct gsm_bts *bts, uint8_t len, const uint8_t *val);
 int rsl_tx_imm_assignment(struct gsm_lchan *lchan);
 int rsl_tx_imm_ass_rej(struct gsm_bts *bts, struct gsm48_req_ref *rqd_ref);
 int gsm48_send_rr_ass_cmd(struct gsm_lchan *dest_lchan, struct gsm_lchan *lchan, uint8_t power_command);
@@ -65,7 +65,8 @@
 int rsl_relase_request(struct gsm_lchan *lchan, uint8_t link_id);
 
 /* Ericcson vendor specific RSL extensions */
-int rsl_ericsson_imm_assign_cmd(struct gsm_bts *bts, uint32_t tlli, uint8_t len, uint8_t *val, uint8_t pag_grp);
+int rsl_ericsson_imm_assign_cmd(const struct gsm_bts *bts, uint32_t tlli, uint8_t len,
+				const uint8_t *val, uint8_t pag_grp);
 
 /* Siemens vendor-specific RSL extensions */
 int rsl_siemens_mrpci(struct gsm_lchan *lchan, struct rsl_mrpci *mrpci);
diff --git a/src/osmo-bsc/abis_rsl.c b/src/osmo-bsc/abis_rsl.c
index ea9fd2e..9eedfd5 100644
--- a/src/osmo-bsc/abis_rsl.c
+++ b/src/osmo-bsc/abis_rsl.c
@@ -928,7 +928,7 @@
 }
 
 /* Chapter 8.5.6 */
-struct msgb *rsl_imm_assign_cmd_common(struct gsm_bts *bts, uint8_t len, uint8_t *val)
+struct msgb *rsl_imm_assign_cmd_common(const struct gsm_bts *bts, uint8_t len, const uint8_t *val)
 {
 	struct msgb *msg = rsl_msgb_alloc();
 	struct abis_rsl_dchan_hdr *dh;
@@ -955,7 +955,7 @@
 }
 
 /* Chapter 8.5.6 */
-int rsl_imm_assign_cmd(struct gsm_bts *bts, uint8_t len, uint8_t *val)
+int rsl_imm_assign_cmd(const struct gsm_bts *bts, uint8_t len, const uint8_t *val)
 {
 	struct msgb *msg = rsl_imm_assign_cmd_common(bts, len, val);
 	if (!msg)
@@ -964,7 +964,8 @@
 }
 
 /* Chapter 8.5.6 Immediate Assignment Command (with Ericcson vendor specific RSL extension) */
-int rsl_ericsson_imm_assign_cmd(struct gsm_bts *bts, uint32_t tlli, uint8_t len, uint8_t *val, uint8_t pag_grp)
+int rsl_ericsson_imm_assign_cmd(const struct gsm_bts *bts, uint32_t tlli, uint8_t len,
+				const uint8_t *val, uint8_t pag_grp)
 {
 	struct msgb *msg = rsl_imm_assign_cmd_common(bts, len, val);
 	if (!msg)

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