grep: use return value of strbuf_detach()

diff --git a/builtin/update-index.c b/builtin/update-index.c
index 3f8cc6ccb47c2f8927e91076a8844d2cfd8a0bb2..dff2f4b837208deebeb34f4af687c18df7dbfe76 100644 (file)
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -601,7 +601,7 @@ static struct cache_entry *read_one_ent(const char *which,
        struct object_id oid;
        struct cache_entry *ce;
 
-       if (get_tree_entry(ent, path, &oid, &mode)) {
+       if (get_tree_entry(the_repository, ent, path, &oid, &mode)) {
                if (which)
                        error("%s: not in %s branch.", path, which);
                return NULL;