X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=unit.c;h=a14e18ef5b18d05d9c11437b8154cd5c9d7fe006;hp=bdbcb45c506fcce282696e3926ade9e6ceee2e9a;hb=47be870bd83fb3719dffc3ee9348a409ab762a14;hpb=a7334b0952ab66c17ee787e36e6d2c5ceb387de6;ds=sidebyside

diff --git a/unit.c b/unit.c
index bdbcb45c5..a14e18ef5 100644
--- a/unit.c
+++ b/unit.c
@@ -351,15 +351,15 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
         char *t;
         UnitDependency d;
         Iterator i;
-        char *prefix2;
+        char *p2;
+        const char *prefix2;
 
         assert(u);
 
         if (!prefix)
                 prefix = "";
-        prefix2 = strappend(prefix, "\t");
-        if (!prefix2)
-                prefix2 = "";
+        p2 = strappend(prefix, "\t");
+        prefix2 = p2 ? p2 : prefix;
 
         fprintf(f,
                 "%s→ Unit %s:\n"
@@ -397,7 +397,7 @@ void unit_dump(Unit *u, FILE *f, const char *prefix) {
         if (u->meta.job)
                 job_dump(u->meta.job, f, prefix2);
 
-        free(prefix2);
+        free(p2);
 }
 
 /* Common implementation for multiple backends */