commit: release strbuf on error return in commit_tree_extended()

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/commit.c b/commit.c
index 8b28415939035e2b40153013e6f8805422094d84..51f969fcbc4a718c68ae2924e6cbd079e33d2222 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1564,10 +1564,13 @@ int commit_tree_extended(const char *msg, size_t msg_len,
        if (encoding_is_utf8 && !verify_utf8(&buffer))
                fprintf(stderr, _(commit_utf8_warn));
 
-       if (sign_commit && do_sign_commit(&buffer, sign_commit))
-               return -1;
+       if (sign_commit && do_sign_commit(&buffer, sign_commit)) {
+               result = -1;
+               goto out;
+       }
 
        result = write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
+out:
        strbuf_release(&buffer);
        return result;
 }