show_head_ref(): check the result of resolve_ref_namespace()

Only use the result of resolve_ref_namespace() if it is non-NULL. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: David Turner <dturner@twopensource.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Michael Haggerty committed Apr 7, 2016 at 15:03 UTC 7fd12bfbef015bb63f2376f678d71bca54bbc64d
1 file changed +2 -2
http-backend.c
+2 -2
@@ -484,9 +484,9 @@ static int show_head_ref(const char *refname, const struct object_id *oid,
484 const char *target = resolve_ref_unsafe(refname,
485 RESOLVE_REF_READING,
486 unused.hash, NULL);
487 - const char *target_nons = strip_namespace(target);
487
489 - strbuf_addf(buf, "ref: %s\n", target_nons);
488 + if (target)
489 + strbuf_addf(buf, "ref: %s\n", strip_namespace(target));
490 } else {
491 strbuf_addf(buf, "%s\n", oid_to_hex(oid));
492 }