From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 27 Jun 2014 16:34:37 +0000 (+0200)
Subject: main: uid_to_name() might fail due to OOM, protect against that
X-Git-Tag: v215~153
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=1f97091d3cb0887c264176b47b0a86c269acf0b5;p=elogind.git

main: uid_to_name() might fail due to OOM, protect against that
---

diff --git a/src/core/main.c b/src/core/main.c
index 8ee12ef8f..38835fc62 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -1547,9 +1547,10 @@ int main(int argc, char *argv[]) {
                 if (empty_etc)
                         log_info("Running with unpopulated /etc.");
         } else {
-                _cleanup_free_ char *t = uid_to_name(getuid());
-                log_debug(PACKAGE_STRING " running in user mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
-                          getuid(), t);
+                _cleanup_free_ char *t;
+
+                t = uid_to_name(getuid());
+                log_debug(PACKAGE_STRING " running in user mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", getuid(), strna(t));
         }
 
         if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {