check-ref-format: fix trivial memory leak

[thirdparty/git.git] / builtin / check-ref-format.c

diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c
index bc67d3f0a83d35b2fc6d81f28c6908075564644a..fd0e5f86832a0ed4d9c08512291c836938f2bec2 100644 (file)
--- a/builtin/check-ref-format.c
+++ b/builtin/check-ref-format.c
@@ -57,6 +57,8 @@ int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
        int normalize = 0;
        int flags = 0;
        const char *refname;
+       char *to_free = NULL;
+       int ret = 1;
 
        if (argc == 2 && !strcmp(argv[1], "-h"))
                usage(builtin_check_ref_format_usage);
@@ -81,11 +83,14 @@ int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
 
        refname = argv[i];
        if (normalize)
-               refname = collapse_slashes(refname);
+               refname = to_free = collapse_slashes(refname);
        if (check_refname_format(refname, flags))
-               return 1;
+               goto cleanup;
        if (normalize)
                printf("%s\n", refname);
 
-       return 0;
+       ret = 0;
+cleanup:
+       free(to_free);
+       return ret;
 }