ranap: Fix msgb leak on decode error paths

Change-Id: I58ef8f227d177dc1e99d2c342dd7d5fd6e5b3747
---
M src/iu_client.c
1 file changed, 4 insertions(+), 0 deletions(-)


git pull ssh://gerrit.osmocom.org:29418/osmo-iuh refs/changes/21/43321/1

diff --git a/src/iu_client.c b/src/iu_client.c
index 993a0e0..8df8c7d 100644
--- a/src/iu_client.c
+++ b/src/iu_client.c
@@ -461,6 +461,7 @@
 
 	if (ranap_parse_lai(&ra_id, &ies->lai) != 0) {
 		LOGPIU(LOGL_ERROR, "Failed to parse RANAP LAI IE\n");
+		msgb_free(msg);
 		return -1;
 	}
 
@@ -469,6 +470,7 @@
 		if (ra_id.rac == OSMO_RESERVED_RAC) {
 			LOGPIU(LOGL_ERROR,
 			       "Rejecting RNC with invalid/internally used RAC 0x%02x\n", ra_id.rac);
+			msgb_free(msg);
 			return -1;
 		}
 	} else {
@@ -478,6 +480,7 @@
 	if (iu_grnc_id_parse(&rnc_id, &ies->globalRNC_ID) != 0) {
 		LOGPIU(LOGL_ERROR,
 		       "Failed to parse RANAP Global-RNC-ID IE\n");
+		msgb_free(msg);
 		return -1;
 	}
 
@@ -518,6 +521,7 @@
 	if (ies->presenceMask & DIRECTTRANSFERIES_RANAP_LAI_PRESENT) {
 		if (ranap_parse_lai(&_ra_id, &ies->lai) != 0) {
 			LOGPIU(LOGL_ERROR, "Failed to parse RANAP LAI IE\n");
+			msgb_free(msg);
 			return -1;
 		}
 		ra_id = &_ra_id;

