preproc: fix possible leak when errors trigger

Fix Coverity #199907 (cherry picked from commit 1534d26)
OpenSIPS · Jan 29, 2020 · 43d4792 · 43d4792
1 parent 6743637
commit 43d4792
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/cfg_pp.c b/cfg_pp.c
@@ -412,6 +412,7 @@ static int __flatten_opensips_cfg(FILE *cfg, const char *cfg_path,
 	}
 
 	free(line);
+	line = NULL;
 
 	needed = cfgtok_fileend.len + 1 + 1;
 	if (*bytes_left < needed) {
@@ -430,6 +431,8 @@ static int __flatten_opensips_cfg(FILE *cfg, const char *cfg_path,
 	return 0;
 
 out_err:
+	if (line)
+		free(line);
 	fclose(cfg);
 	return -1;
 }