user-sessions: fix write_string_file() fallout

WRITE_STRING_FILE_ATOMIC is only valid if WRITE_STRING_FILE_CREATE is also
given. IOW, an atomic file write operation is only possible when creating a
file is also being asked for.

This is a regression from the recent write_string_file() rework.

diff --git a/src/user-sessions/user-sessions.c b/src/user-sessions/user-sessions.c
index ddeb310c3c9d2093ff034524d8b1cce06b50a8ef..e80a7771de6ae63d24bf65cc71aceedd08d8a935 100644 (file)
--- a/src/user-sessions/user-sessions.c
+++ b/src/user-sessions/user-sessions.c
@@ -65,7 +65,7 @@ int main(int argc, char*argv[]) {
         } else if (streq(argv[1], "stop")) {
                 int r;
 
-                r = write_string_file("/run/nologin", "System is going down.", WRITE_STRING_FILE_ATOMIC);
+                r = write_string_file("/run/nologin", "System is going down.", WRITE_STRING_FILE_CREATE|WRITE_STRING_FILE_ATOMIC);
                 if (r < 0) {
                         log_error_errno(r, "Failed to create /run/nologin: %m");
                         return EXIT_FAILURE;