libsystemd-bus: use assert_return

[elogind.git] / src / libsystemd-bus / bus-message.c

diff --git a/src/libsystemd-bus/bus-message.c b/src/libsystemd-bus/bus-message.c
index 4488e7b6b37115cc4597aa97ad750542c435446e..5e355127b0cb119f460738c1c9c346a5a3114b97 100644 (file)
--- a/src/libsystemd-bus/bus-message.c
+++ b/src/libsystemd-bus/bus-message.c
@@ -161,9 +161,7 @@ static void *message_extend_fields(sd_bus_message *m, size_t align, size_t sz, b
         size_t old_size, new_size, start;
 
         assert(m);
-
-        if (m->poisoned)
-                return NULL;
+        assert_return(!m->poisoned, NULL);
 
         old_size = sizeof(struct bus_header) + m->header->fields_size;
         start = ALIGN_TO(old_size, align);
@@ -989,9 +987,7 @@ struct bus_body_part *message_append_part(sd_bus_message *m) {
         struct bus_body_part *part;
 
         assert(m);
-
-        if (m->poisoned)
-                return NULL;
+        assert_return(!m->poisoned, NULL);
 
         if (m->n_body_parts <= 0) {
                 part = &m->body;
@@ -1138,9 +1134,7 @@ static void *message_extend_body(sd_bus_message *m, size_t align, size_t sz, boo
         assert(m);
         assert(align > 0);
         assert(!m->sealed);
-
-        if (m->poisoned)
-                return NULL;
+        assert_return(!m->poisoned, NULL);
 
         start_body = ALIGN_TO((size_t) m->header->body_size, align);
         end_body = start_body + sz;
@@ -3061,7 +3055,7 @@ static int message_peek_body(
         }
 
         part = find_part(m, start, nbytes, (void**) &q);
-        if (!part || !q)
+        if (!part || (nbytes > 0 && !q))
                 return -EBADMSG;
 
         *rindex = end;