Fix issues found by Coverity.

[tinc] / src / graph.c

diff --git a/src/graph.c b/src/graph.c
index 9592f98..73dadc4 100644 (file)
--- a/src/graph.c
+++ b/src/graph.c
@@ -340,6 +340,7 @@ void dump_graph(void) {
 
        if(!file) {
                logger(LOG_ERR, "Unable to open graph dump file %s: %s", filename, strerror(errno));
+               free(filename);
                free(tmpname);
                return;
        }
@@ -367,7 +368,10 @@ void dump_graph(void) {
 #ifdef HAVE_MINGW
                unlink(filename);
 #endif
-               rename(tmpname, filename);
+               if(rename(tmpname, filename))
+                       logger(LOG_ERR, "Could not rename %s to %s: %s\n", tmpname, filename, strerror(errno));
                free(tmpname);
        }
+
+       free(filename);
 }