diffcore-rename: plug memory leak.

Spotted by Nicolas Pitre.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/diffcore-rename.c b/diffcore-rename.c
index 39d9126..ffd126a 100644 (file)
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -176,8 +176,10 @@ static int estimate_similarity(struct diff_filespec *src,
        /* A delta that has a lot of literal additions would have
         * big delta_size no matter what else it does.
         */
-       if (base_size * (MAX_SCORE-minimum_score) < delta_size * MAX_SCORE)
+       if (base_size * (MAX_SCORE-minimum_score) < delta_size * MAX_SCORE) {
+               free(delta);
                return 0;
+       }
 
        /* Estimate the edit size by interpreting delta. */
        if (count_delta(delta, delta_size, &src_copied, &literal_added)) {