tree-wide: Initialize _cleanup_ variables if needed

src/libsystemd/sd-bus/test-bus-chat.c

@@ -317,7 +317,7 @@ static void* client1(void *p) {
 
 finish:
         if (bus) {
-                _cleanup_(sd_bus_message_unrefp) sd_bus_message *q;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *q = NULL;
 
                 r = sd_bus_message_new_method_call(
                                 bus,
@@ -485,7 +485,7 @@ static void* client2(void *p) {
 
 finish:
         if (bus) {
-                _cleanup_(sd_bus_message_unrefp) sd_bus_message *q;
+                _cleanup_(sd_bus_message_unrefp) sd_bus_message *q = NULL;
 
                 r = sd_bus_message_new_method_call(
                                 bus,

src/libsystemd/sd-netlink/test-netlink.c

@@ -128,7 +128,7 @@ static void test_address_get(sd_netlink *rtnl, int ifindex) {
 }
 
 static void test_route(sd_netlink *rtnl) {
-        _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req;
+        _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
         struct in_addr addr, addr_data;
         uint32_t index = 2, u32_data;
         int r;

src/network/netdev/macsec.c

@@ -828,7 +828,7 @@ int config_parse_macsec_key_id(
 
         _cleanup_(macsec_transmit_association_free_or_set_invalidp) TransmitAssociation *a = NULL;
         _cleanup_(macsec_receive_association_free_or_set_invalidp) ReceiveAssociation *b = NULL;
-        _cleanup_free_ void *p;
+        _cleanup_free_ void *p = NULL;
         MACsec *s = userdata;
         uint8_t *dest;
         size_t l;

src/resolve/resolved-dnstls-gnutls.c

@@ -28,7 +28,7 @@ static ssize_t dnstls_stream_writev(gnutls_transport_ptr_t p, const giovec_t *io
 }
 
 int dnstls_stream_connect_tls(DnsStream *stream, DnsServer *server) {
-        _cleanup_(gnutls_deinitp) gnutls_session_t gs;
+        _cleanup_(gnutls_deinitp) gnutls_session_t gs = NULL;
         int r;
 
         assert(stream);

src/shared/seccomp-util.c

@@ -1743,7 +1743,7 @@ int seccomp_restrict_archs(Set *archs) {
 }
 
 int parse_syscall_archs(char **l, Set **archs) {
-        _cleanup_set_free_ Set *_archs;
+        _cleanup_set_free_ Set *_archs = NULL;
         char **s;
         int r;
 

src/test/test-fstab-util.c

@@ -21,7 +21,7 @@ static void do_fstab_filter_options(const char *opts,
 
         int r;
         const char *name;
-        _cleanup_free_ char *value, *filtered;
+        _cleanup_free_ char *value = NULL, *filtered = NULL;
 
         r = fstab_filter_options(opts, remove, &name, &value, &filtered);
         log_info("\"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",

src/udev/net/link-config.c

@@ -207,7 +207,7 @@ static int link_unsigned_attribute(sd_device *device, const char *attr, unsigned
 }
 
 int link_config_load(link_config_ctx *ctx) {
-        _cleanup_strv_free_ char **files;
+        _cleanup_strv_free_ char **files = NULL;
         char **f;
         int r;