It is necessary to prevent dereferencing of a NULL pointer. Found with the SVACE static analysis tool. --- src/shared/gatt-client.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/shared/gatt-client.c b/src/shared/gatt-client.c index b48d739fc..9db3f5211 100644 --- a/src/shared/gatt-client.c +++ b/src/shared/gatt-client.c @@ -1276,7 +1276,9 @@ next: range = queue_peek_head(op->discov_ranges); - client->discovery_req = bt_gatt_discover_included_services(client->att, + if (range) + client->discovery_req = bt_gatt_discover_included_services( + client->att, range->start, range->end, discover_incl_cb, -- 2.43.0