refdb_fs: fail if refcache returns NULL pointer We usually check entries returned by `git_sortedcache_entry` for NULL pointers. As we have a write lock in `packed_write`, though, it really should not happen that the function returns NULL. Assert that ref is not NULL to silence a Coverity warning.
diff --git a/src/refdb_fs.c b/src/refdb_fs.c
index f6ed720..f978038 100644
--- a/src/refdb_fs.c
+++ b/src/refdb_fs.c
@@ -962,6 +962,7 @@ static int packed_write(refdb_fs_backend *backend)
for (i = 0; i < git_sortedcache_entrycount(refcache); ++i) {
struct packref *ref = git_sortedcache_entry(refcache, i);
+ assert(ref);
if (packed_find_peel(backend, ref) < 0)
goto fail;