HashChainInit 293 third_party/libwebp/enc/backward_references.c if (!HashChainInit(hash_chain, pix_count)) goto Error; HashChainInit 499 third_party/libwebp/enc/backward_references.c if (!HashChainInit(hash_chain, pix_count)) goto Error; HashChainInit 639 third_party/libwebp/enc/backward_references.c if (hash_chain == NULL || !HashChainInit(hash_chain, pix_count)) {