aboutsummaryrefslogtreecommitdiffstats
path: root/src/libmsc/a_iface_bssap.c
diff options
context:
space:
mode:
authorPhilipp Maier <pmaier@sysmocom.de>2017-09-07 11:39:58 +0200
committerPhilipp Maier <pmaier@sysmocom.de>2017-09-11 10:14:00 +0200
commit4502f5ff5854157637de526bd64dc317df434be4 (patch)
treea80aa93f8053308141aefdb5232b9fb8230f1c9d /src/libmsc/a_iface_bssap.c
parentb305a004f7aa3e28f7ea52b36868826400fad483 (diff)
a_iface: fix memory leaks
Fix multiple memory leaske in A/BSSMAP code Change-Id: I90703c96e6a266a1cfa60b184139375aeb9ae32d
Diffstat (limited to 'src/libmsc/a_iface_bssap.c')
-rw-r--r--src/libmsc/a_iface_bssap.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/src/libmsc/a_iface_bssap.c b/src/libmsc/a_iface_bssap.c
index 34d03e300..3d5755a4c 100644
--- a/src/libmsc/a_iface_bssap.c
+++ b/src/libmsc/a_iface_bssap.c
@@ -150,6 +150,7 @@ static void bssmap_rcvmsg_udt(struct osmo_sccp_user *scu, const struct a_conn_in
if (msgb_l3len(msg) < 1) {
LOGP(DMSC, LOGL_NOTICE, "Error: No data received -- discarding message!\n");
+ msgb_free(msg);
return;
}
@@ -327,9 +328,9 @@ static int bssmap_rx_l3_compl(struct osmo_sccp_user *scu, const struct a_conn_in
conn = subscr_conn_allocate_a(a_conn_info, network, lac, scu, a_conn_info->conn_id);
/* Handover location update to the MSC code */
- /* msc_compl_l3() takes ownership of dtap_msg
- * message buffer */
rc = msc_compl_l3(conn, msg, 0);
+ msgb_free(msg);
+
if (rc == MSC_CONN_ACCEPT) {
LOGP(DMSC, LOGL_NOTICE, "User has been accepted by MSC.\n");
return 0;
@@ -423,9 +424,9 @@ static int bssmap_rx_ciph_compl(const struct osmo_sccp_user *scu, const struct a
msg = NULL;
}
- /* Hand over cipher mode complete message to the MSC,
- * msc_cipher_mode_compl() takes ownership for msg */
+ /* Hand over cipher mode complete message to the MSC */
msc_cipher_mode_compl(conn, msg, alg_id);
+ msgb_free(msg);
return 0;
fail:
@@ -677,9 +678,9 @@ static int rx_dtap(const struct osmo_sccp_user *scu, const struct a_conn_info *a
/* msc_dtap expects the dtap payload in l3h */
msg->l3h = msg->l2h + 3;
- /* Forward dtap payload into the msc,
- * msc_dtap() takes ownership for msg */
+ /* Forward dtap payload into the msc */
msc_dtap(conn, conn->a.conn_id, msg);
+ msgb_free(msg);
return 0;
}
@@ -696,6 +697,7 @@ int sccp_rx_dt(struct osmo_sccp_user *scu, const struct a_conn_info *a_conn_info
if (msgb_l2len(msg) < sizeof(struct bssmap_header)) {
LOGP(DMSC, LOGL_NOTICE, "The header is too short -- discarding message!\n");
msgb_free(msg);
+ return -EINVAL;
}
switch (msg->l2h[0]) {