log.h: new log_oom() -> int -ENOMEM, use it

also a number of minor fixups and bug fixes: spelling, oom errors
that didn't print errors, not properly forwarding error codes,
few more consistency issues, et cetera

1 files changed, 4 insertions, 8 deletions

diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c
index e73ba7f241..6aeaf459af 100644
--- a/src/modules-load/modules-load.c
+++ b/src/modules-load/modules-load.c
@@ -49,17 +49,13 @@ static int add_modules(const char *p) {
         char **t, **k;
 
         k = strv_split(p, ",");
-        if (!k) {
-                log_error("Out of memory.");
-                return -ENOMEM;
-        }
+        if (!k)
+                return log_oom();
 
         t = strv_merge(arg_proc_cmdline_modules, k);
         strv_free(k);
-        if (!t) {
-                log_error("Out of memory.");
-                return -ENOMEM;
-        }
+        if (!t)
+                return log_oom();
 
         strv_free(arg_proc_cmdline_modules);
         arg_proc_cmdline_modules = t;