Merge pull request #30710 from YHNdnzj/logind-ret-gather

logind-session: modernization

src/login/logind-session-device.c

@@ -321,24 +321,25 @@ static int session_device_verify(SessionDevice *sd) {
         return 0;
 }
 
-int session_device_new(Session *s, dev_t dev, bool open_device, SessionDevice **out) {
+int session_device_new(Session *s, dev_t dev, bool open_device, SessionDevice **ret) {
         SessionDevice *sd;
         int r;
 
         assert(s);
-        assert(out);
 
         if (!s->seat)
                 return -EPERM;
 
-        sd = new0(SessionDevice, 1);
+        sd = new(SessionDevice, 1);
         if (!sd)
                 return -ENOMEM;
 
-        sd->session = s;
-        sd->dev = dev;
-        sd->fd = -EBADF;
-        sd->type = DEVICE_TYPE_UNKNOWN;
+        *sd = (SessionDevice) {
+                .session = s,
+                .dev = dev,
+                .fd = -EBADF,
+                .type = DEVICE_TYPE_UNKNOWN,
+        };
 
         r = session_device_verify(sd);
         if (r < 0)
@@ -369,7 +370,9 @@ int session_device_new(Session *s, dev_t dev, bool open_device, SessionDevice **
 
         LIST_PREPEND(sd_by_device, sd->device->session_devices, sd);
 
-        *out = sd;
+        if (ret)
+                *ret = sd;
+
         return 0;
 
 error:

src/login/logind-session-device.h

@@ -27,7 +27,7 @@ struct SessionDevice {
         LIST_FIELDS(struct SessionDevice, sd_by_device);
 };
 
-int session_device_new(Session *s, dev_t dev, bool open_device, SessionDevice **out);
+int session_device_new(Session *s, dev_t dev, bool open_device, SessionDevice **ret);
 SessionDevice *session_device_free(SessionDevice *sd);
 DEFINE_TRIVIAL_CLEANUP_FUNC(SessionDevice*, session_device_free);
 

src/login/logind-session.c

@@ -377,33 +377,27 @@ static int session_load_devices(Session *s, const char *devices) {
 
         for (const char *p = devices;;) {
                 _cleanup_free_ char *word = NULL;
-                SessionDevice *sd;
                 dev_t dev;
                 int k;
 
                 k = extract_first_word(&p, &word, NULL, 0);
-                if (k == 0)
-                        break;
-                if (k < 0) {
-                        r = k;
+                if (k <= 0) {
+                        RET_GATHER(r, k);
                         break;
                 }
 
                 k = parse_devnum(word, &dev);
                 if (k < 0) {
-                        r = k;
+                        RET_GATHER(r, k);
                         continue;
                 }
 
                 /* The file descriptors for loaded devices will be reattached later. */
-                k = session_device_new(s, dev, false, &sd);
-                if (k < 0)
-                        r = k;
+                RET_GATHER(r, session_device_new(s, dev, /* open_device = */ false, /* ret = */ NULL));
         }
 
         if (r < 0)
-                log_error_errno(r, "Loading session devices for session %s failed: %m", s->id);
-
+                log_error_errno(r, "Failed to load some session devices for session '%s': %m", s->id);
         return r;
 }