make gcc shut up

If -flto is used then gcc will generate a lot more warnings than before,
among them a number of use-without-initialization warnings. Most of them
without are false positives, but let's make them go away, because it
doesn't really matter.

5 files changed, 8 insertions, 8 deletions

diff --git a/src/libsystemd/sd-bus/bus-control.c b/src/libsystemd/sd-bus/bus-control.c
index 846307d664..b4dbb5b7ee 100644
--- a/src/libsystemd/sd-bus/bus-control.c
+++ b/src/libsystemd/sd-bus/bus-control.c
@@ -687,8 +687,8 @@ static int bus_get_owner_dbus1(
                 }
 
                 if (mask & SD_BUS_CREDS_SELINUX_CONTEXT) {
-                        const void *p;
-                        size_t sz;
+                        const void *p = NULL;
+                        size_t sz = 0;
 
                         r = sd_bus_call_method(
                                         bus,
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c
index 323413406a..fe84f3f0bc 100644
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -1863,7 +1863,7 @@ _public_ int sd_bus_message_open_container(
         struct bus_container *c, *w;
         uint32_t *array_size = NULL;
         char *signature;
-        size_t before, begin;
+        size_t before, begin = 0;
         bool need_offsets = false;
         int r;
 
diff --git a/src/libsystemd/sd-bus/test-bus-memfd.c b/src/libsystemd/sd-bus/test-bus-memfd.c
index f7197ed096..f0f08ba818 100644
--- a/src/libsystemd/sd-bus/test-bus-memfd.c
+++ b/src/libsystemd/sd-bus/test-bus-memfd.c
@@ -33,7 +33,7 @@ int main(int argc, char *argv[]) {
         char *s, *name;
         uint64_t sz;
         int r, fd;
-        FILE *f;
+        FILE *f = NULL;
         char buf[3] = {};
         struct iovec iov[3] = {};
         char bufv[3][3] = {};
diff --git a/src/libsystemd/sd-event/sd-event.c b/src/libsystemd/sd-event/sd-event.c
index cf2efa68a3..cda92e2604 100644
--- a/src/libsystemd/sd-event/sd-event.c
+++ b/src/libsystemd/sd-event/sd-event.c
@@ -642,9 +642,9 @@ static int event_setup_timer_fd(
                 int *timer_fd,
                 clockid_t id) {
 
+        sd_id128_t bootid = {};
         struct epoll_event ev = {};
         int r, fd;
-        sd_id128_t bootid;
 
         assert(e);
         assert(timer_fd);
@@ -2126,7 +2126,7 @@ _public_ int sd_event_get_now_monotonic(sd_event *e, uint64_t *usec) {
 _public_ int sd_event_default(sd_event **ret) {
 
         static thread_local sd_event *default_event = NULL;
-        sd_event *e;
+        sd_event *e = NULL;
         int r;
 
         if (!ret)
diff --git a/src/libsystemd/sd-event/test-event.c b/src/libsystemd/sd-event/test-event.c
index 28ef6a3692..c10aa8caa7 100644
--- a/src/libsystemd/sd-event/test-event.c
+++ b/src/libsystemd/sd-event/test-event.c
@@ -76,7 +76,7 @@ static int child_handler(sd_event_source *s, const siginfo_t *si, void *userdata
 }
 
 static int signal_handler(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
-        sd_event_source *p;
+        sd_event_source *p = NULL;
         sigset_t ss;
         pid_t pid;
 
@@ -106,7 +106,7 @@ static int signal_handler(sd_event_source *s, const struct signalfd_siginfo *si,
 }
 
 static int defer_handler(sd_event_source *s, void *userdata) {
-        sd_event_source *p;
+        sd_event_source *p = NULL;
         sigset_t ss;
 
         assert(s);