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abis_rsl: delete CHAN RQD from que when rach ind was sent

The CHAN REQ entry is not deleted after its information was passed on to
the PCU. This causes the same entry to be used over and over again while
blocking other incoming CHAN RQD.

Change-Id: Ia4abc55fc6fcb1c00991cc84d09529131d014910
Related: OS#5198
---
M src/osmo-bsc/abis_rsl.c
1 file changed, 4 insertions(+), 2 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/05/29705/1

diff --git a/src/osmo-bsc/abis_rsl.c b/src/osmo-bsc/abis_rsl.c
index 372deec..a39ed53 100644
--- a/src/osmo-bsc/abis_rsl.c
+++ b/src/osmo-bsc/abis_rsl.c
@@ -2150,8 +2150,8 @@
 
 	/* Handle PDCH related rach requests (in case of BSC-co-located-PCU) */
 	if (rqd->reason == GSM_CHREQ_REASON_PDCH) {
-		rsl_rx_pchan_rqd(rqd);
-		return;
+		if (rsl_rx_pchan_rqd(rqd) == 0)
+			goto leave;
 	}
 
 	/* Ensure that emergency calls will get priority over regular calls, however releasing
@@ -2237,6 +2237,8 @@
 	};
 
 	lchan_activate(lchan, &info);
+
+leave:
 	llist_del(&rqd->entry);
 	talloc_free(rqd);
 	return;

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