read-cache: use of memory after it is freed

introduced with c46c406ae1e (trace.h: support nested performance tracing)
on Aug 18, 2018 but not affecting maint

Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Acked-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/read-cache.c b/read-cache.c
index 41f313bc9e115bf51fd637dfacd116d42a5dd98d..66fc5355e7f52d8b8c0a3005421b84f989c6ab14 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2038,8 +2038,8 @@ int read_index_from(struct index_state *istate, const char *path,
        freshen_shared_index(base_path, 0);
        merge_base_index(istate);
        post_read_index_from(istate);
-       free(base_path);
        trace_performance_leave("read cache %s", base_path);
+       free(base_path);
        return ret;
 }