From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [PATCHv2] dmaengine: dmatest: Remove use of VLAs From: Laura Abbott Message-Id: <20180411010216.17702-1-labbott@redhat.com> Date: Tue, 10 Apr 2018 18:02:16 -0700 To: Vinod Koul , Dan Williams Cc: Laura Abbott , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-hardening@lists.openwall.com, Kees Cook , Sinan Kaya List-ID: VGhlcmUncyBhbiBvbmdvaW5nIGVmZm9ydCB0byByZW1vdmUgVkxBcyBmcm9tIHRoZSBrZXJuZWwK KGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE4LzMvNy82MjEpIHRvIGV2ZW50dWFsbHkgdHVybiBv biAtV3ZsYS4KVGhlIHRlc3QgYWxyZWFkeSBwcmUtYWxsb2NhdGVzIHNvbWUgYnVmZmVycyB3aXRo IGttYWxsb2Mgc28gdHVybgp0aGUgdHdvIFZMQXMgaW4gdG8gcHJlLWFsbG9jYXRlZCBrbWFsbG9j IGJ1ZmZlcnMuCgpTaWduZWQtb2ZmLWJ5OiBMYXVyYSBBYmJvdHQgPGxhYmJvdHRAcmVkaGF0LmNv bT4KLS0tCnYyOiBTd2l0Y2ggdG8gdXNpbmcga21hbGxvYyBidWZmZXJzIGluc3RlYWQgb2YgcHV0 dGluZyBhIGxhcmdlIGFycmF5IG9uCnRoZSBzdGFjay4KLS0tCiBkcml2ZXJzL2RtYS9kbWF0ZXN0 LmMgfCAxNiArKysrKysrKysrKysrLS0tCiAxIGZpbGUgY2hhbmdlZCwgMTMgaW5zZXJ0aW9ucygr KSwgMyBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2RtYS9kbWF0ZXN0LmMgYi9k cml2ZXJzL2RtYS9kbWF0ZXN0LmMKaW5kZXggODBjYzJiZTY0ODNjLi45NzMwOTU2ZGZiZTMgMTAw NjQ0Ci0tLSBhL2RyaXZlcnMvZG1hL2RtYXRlc3QuYworKysgYi9kcml2ZXJzL2RtYS9kbWF0ZXN0 LmMKQEAgLTQ2Myw2ICs0NjMsOCBAQCBzdGF0aWMgaW50IGRtYXRlc3RfZnVuYyh2b2lkICpkYXRh KQogCXVuc2lnbmVkIGxvbmcgbG9uZwl0b3RhbF9sZW4gPSAwOwogCXU4CQkJYWxpZ24gPSAwOwog CWJvb2wJCQlpc19tZW1zZXQgPSBmYWxzZTsKKwlkbWFfYWRkcl90CQkqc3JjczsKKwlkbWFfYWRk cl90CQkqZG1hX3BxOwogCiAJc2V0X2ZyZWV6YWJsZSgpOwogCkBAIC01NDYsNiArNTQ4LDE0IEBA IHN0YXRpYyBpbnQgZG1hdGVzdF9mdW5jKHZvaWQgKmRhdGEpCiAKIAlzZXRfdXNlcl9uaWNlKGN1 cnJlbnQsIDEwKTsKIAorCXNyY3MgPSBrY2FsbG9jKHNyY19jbnQsIHNpemVvZihkbWFfYWRkcl90 KSwgR0ZQX0tFUk5FTCk7CisJaWYgKCFzcmNzKQorCQlnb3RvIGVycl9kc3RidWY7CisKKwlkbWFf cHEgPSBrY2FsbG9jKGRzdF9jbnQsIHNpemVvZihkbWFfYWRkcl90KSwgR0ZQX0tFUk5FTCk7CisJ aWYgKCFkbWFfcHEpCisJCWdvdG8gZXJyX3NyY3NfYXJyYXk7CisKIAkvKgogCSAqIHNyYyBhbmQg ZHN0IGJ1ZmZlcnMgYXJlIGZyZWVkIGJ5IG91cnNlbHZlcyBiZWxvdwogCSAqLwpAQCAtNTU2LDcg KzU2Niw2IEBAIHN0YXRpYyBpbnQgZG1hdGVzdF9mdW5jKHZvaWQgKmRhdGEpCiAJICAgICAgICYm ICEocGFyYW1zLT5pdGVyYXRpb25zICYmIHRvdGFsX3Rlc3RzID49IHBhcmFtcy0+aXRlcmF0aW9u cykpIHsKIAkJc3RydWN0IGRtYV9hc3luY190eF9kZXNjcmlwdG9yICp0eCA9IE5VTEw7CiAJCXN0 cnVjdCBkbWFlbmdpbmVfdW5tYXBfZGF0YSAqdW07Ci0JCWRtYV9hZGRyX3Qgc3Jjc1tzcmNfY250 XTsKIAkJZG1hX2FkZHJfdCAqZHN0czsKIAkJdW5zaWduZWQgaW50IHNyY19vZmYsIGRzdF9vZmYs IGxlbjsKIApAQCAtNjY5LDggKzY3OCw2IEBAIHN0YXRpYyBpbnQgZG1hdGVzdF9mdW5jKHZvaWQg KmRhdGEpCiAJCQkJCQkgICAgICBzcmNzLCBzcmNfY250LAogCQkJCQkJICAgICAgbGVuLCBmbGFn cyk7CiAJCWVsc2UgaWYgKHRocmVhZC0+dHlwZSA9PSBETUFfUFEpIHsKLQkJCWRtYV9hZGRyX3Qg ZG1hX3BxW2RzdF9jbnRdOwotCiAJCQlmb3IgKGkgPSAwOyBpIDwgZHN0X2NudDsgaSsrKQogCQkJ CWRtYV9wcVtpXSA9IGRzdHNbaV0gKyBkc3Rfb2ZmOwogCQkJdHggPSBkZXYtPmRldmljZV9wcmVw X2RtYV9wcShjaGFuLCBkbWFfcHEsIHNyY3MsCkBAIC03NzIsNiArNzc5LDkgQEAgc3RhdGljIGlu dCBkbWF0ZXN0X2Z1bmModm9pZCAqZGF0YSkKIAlydW50aW1lID0ga3RpbWVfdG9fdXMoa3RpbWUp OwogCiAJcmV0ID0gMDsKKwlrZnJlZShkbWFfcHEpOworZXJyX3NyY3NfYXJyYXk6CisJa2ZyZWUo c3Jjcyk7CiBlcnJfZHN0YnVmOgogCWZvciAoaSA9IDA7IHRocmVhZC0+dWRzdHNbaV07IGkrKykK IAkJa2ZyZWUodGhyZWFkLT51ZHN0c1tpXSk7Cg==