sd-bus: fix error handling of pthread API calls

pthread APIs (unlike the rest of libc) return their errors as positive
error codes directly from the functions, rather than using errno. Let's
make sure we always handle things that way.

2 files changed, 10 insertions, 11 deletions

diff --git a/src/bus-proxyd/bus-proxyd.c b/src/bus-proxyd/bus-proxyd.c
index 6a4da0f2e2..64d1c5231f 100644
--- a/src/bus-proxyd/bus-proxyd.c
+++ b/src/bus-proxyd/bus-proxyd.c
@@ -116,13 +116,12 @@ static int loop_clients(int accept_fd, uid_t bus_uid) {
         int r;
 
         r = pthread_attr_init(&attr);
-        if (r < 0) {
-                return log_error_errno(errno, "Cannot initialize pthread attributes: %m");
-        }
+        if (r != 0)
+                return log_error_errno(r, "Cannot initialize pthread attributes: %m");
 
         r = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-        if (r < 0) {
-                r = log_error_errno(errno, "Cannot mark pthread attributes as detached: %m");
+        if (r != 0) {
+                r = log_error_errno(r, "Cannot mark pthread attributes as detached: %m");
                 goto finish;
         }
 
@@ -156,8 +155,8 @@ static int loop_clients(int accept_fd, uid_t bus_uid) {
                 c->bus_uid = bus_uid;
 
                 r = pthread_create(&tid, &attr, run_client, c);
-                if (r < 0) {
-                        log_error("Cannot spawn thread: %m");
+                if (r != 0) {
+                        log_warning_errno(r, "Cannot spawn thread, ignoring: %m");
                         client_context_free(c);
                         continue;
                 }
diff --git a/src/bus-proxyd/bus-xml-policy.c b/src/bus-proxyd/bus-xml-policy.c
index 9a3b451c56..91717653c2 100644
--- a/src/bus-proxyd/bus-xml-policy.c
+++ b/src/bus-proxyd/bus-xml-policy.c
@@ -1186,14 +1186,14 @@ int shared_policy_new(SharedPolicy **out) {
                 return log_oom();
 
         r = pthread_mutex_init(&sp->lock, NULL);
-        if (r < 0) {
-                log_error_errno(r, "Cannot initialize shared policy mutex: %m");
+        if (r != 0) {
+                r = log_error_errno(r, "Cannot initialize shared policy mutex: %m");
                 goto exit_free;
         }
 
         r = pthread_rwlock_init(&sp->rwlock, NULL);
-        if (r < 0) {
-                log_error_errno(r, "Cannot initialize shared policy rwlock: %m");
+        if (r != 0) {
+                r = log_error_errno(r, "Cannot initialize shared policy rwlock: %m");
                 goto exit_mutex;
         }