From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bhuna.collabora.co.uk ([2a00:1098:0:82:1000:25:2eeb:e3e3]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nCPOb-008u1o-VZ for linux-um@lists.infradead.org; Tue, 25 Jan 2022 17:14:19 +0000 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Danis?= Subject: [PATCH] um: Fix WRITE_ZEROES in the UBD Driver Date: Tue, 25 Jan 2022 18:14:05 +0100 Message-Id: <20220125171405.163362-1-frederic.danis@collabora.com> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: linux-um@lists.infradead.org Q2FsbCB0byBmYWxsb2NhdGUgd2l0aCBGQUxMT0NfRkxfUFVOQ0hfSE9MRSBvbiBhIGRldmljZSBi YWNrZWQgYnkgYSBzcGFyc2UKZmlsZSBjYW4gZW5kIHVwIGJ5IG1pc3NpbmcgZGF0YSwgemVyb2Vz IGRhdGEgcmFuZ2UsIGlmIHRoZSB1bmRlcmx5aW5nIGZpbGUKaXMgdXNlZCB3aXRoIGEgdG9vbCBs aWtlIGJtYXB0b29sIHdoaWNoIHdpbGwgcmVmZXJlbmNlZCBvbmx5IHVzZWQgc3BhY2VzLgoKU2ln bmVkLW9mZi1ieTogRnLDqWTDqXJpYyBEYW5pcyA8ZnJlZGVyaWMuZGFuaXNAY29sbGFib3JhLmNv bT4KLS0tCiBhcmNoL3VtL2RyaXZlcnMvdWJkX2tlcm4uYyAgfCA4ICsrKysrKystCiBhcmNoL3Vt L2luY2x1ZGUvc2hhcmVkL29zLmggfCAxICsKIGFyY2gvdW0vb3MtTGludXgvZmlsZS5jICAgICB8 IDkgKysrKysrKysrCiAzIGZpbGVzIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKyksIDEgZGVsZXRp b24oLSkKCmRpZmYgLS1naXQgYS9hcmNoL3VtL2RyaXZlcnMvdWJkX2tlcm4uYyBiL2FyY2gvdW0v ZHJpdmVycy91YmRfa2Vybi5jCmluZGV4IDY5ZDJkMDA0OWE2MS4uYjAzMjY5ZmFlZjcxIDEwMDY0 NAotLS0gYS9hcmNoL3VtL2RyaXZlcnMvdWJkX2tlcm4uYworKysgYi9hcmNoL3VtL2RyaXZlcnMv dWJkX2tlcm4uYwpAQCAtMTUyNiwxMyArMTUyNiwxOSBAQCBzdGF0aWMgdm9pZCBkb19pbyhzdHJ1 Y3QgaW9fdGhyZWFkX3JlcSAqcmVxLCBzdHJ1Y3QgaW9fZGVzYyAqZGVzYykKIAkJCX0KIAkJCWJy ZWFrOwogCQljYXNlIFJFUV9PUF9ESVNDQVJEOgotCQljYXNlIFJFUV9PUF9XUklURV9aRVJPRVM6 CiAJCQluID0gb3NfZmFsbG9jX3B1bmNoKHJlcS0+ZmRzW2JpdF0sIG9mZiwgbGVuKTsKIAkJCWlm IChuKSB7CiAJCQkJcmVxLT5lcnJvciA9IG1hcF9lcnJvcigtbik7CiAJCQkJcmV0dXJuOwogCQkJ fQogCQkJYnJlYWs7CisJCWNhc2UgUkVRX09QX1dSSVRFX1pFUk9FUzoKKwkJCW4gPSBvc19mYWxs b2NfemVyb2VzKHJlcS0+ZmRzW2JpdF0sIG9mZiwgbGVuKTsKKwkJCWlmIChuKSB7CisJCQkJcmVx LT5lcnJvciA9IG1hcF9lcnJvcigtbik7CisJCQkJcmV0dXJuOworCQkJfQorCQkJYnJlYWs7CiAJ CWRlZmF1bHQ6CiAJCQlXQVJOX09OX09OQ0UoMSk7CiAJCQlyZXEtPmVycm9yID0gQkxLX1NUU19O T1RTVVBQOwpkaWZmIC0tZ2l0IGEvYXJjaC91bS9pbmNsdWRlL3NoYXJlZC9vcy5oIGIvYXJjaC91 bS9pbmNsdWRlL3NoYXJlZC9vcy5oCmluZGV4IDAwMjE0MDU5ZDllYy4uZmFmZGUxZDU0MTZlIDEw MDY0NAotLS0gYS9hcmNoL3VtL2luY2x1ZGUvc2hhcmVkL29zLmgKKysrIGIvYXJjaC91bS9pbmNs dWRlL3NoYXJlZC9vcy5oCkBAIC0xNjgsNiArMTY4LDcgQEAgZXh0ZXJuIHVuc2lnbmVkIG9zX21h am9yKHVuc2lnbmVkIGxvbmcgbG9uZyBkZXYpOwogZXh0ZXJuIHVuc2lnbmVkIG9zX21pbm9yKHVu c2lnbmVkIGxvbmcgbG9uZyBkZXYpOwogZXh0ZXJuIHVuc2lnbmVkIGxvbmcgbG9uZyBvc19tYWtl ZGV2KHVuc2lnbmVkIG1ham9yLCB1bnNpZ25lZCBtaW5vcik7CiBleHRlcm4gaW50IG9zX2ZhbGxv Y19wdW5jaChpbnQgZmQsIHVuc2lnbmVkIGxvbmcgbG9uZyBvZmZzZXQsIGludCBjb3VudCk7Citl eHRlcm4gaW50IG9zX2ZhbGxvY196ZXJvZXMoaW50IGZkLCB1bnNpZ25lZCBsb25nIGxvbmcgb2Zm c2V0LCBpbnQgY291bnQpOwogZXh0ZXJuIGludCBvc19ldmVudGZkKHVuc2lnbmVkIGludCBpbml0 dmFsLCBpbnQgZmxhZ3MpOwogZXh0ZXJuIGludCBvc19zZW5kbXNnX2ZkcyhpbnQgZmQsIGNvbnN0 IHZvaWQgKmJ1ZiwgdW5zaWduZWQgaW50IGxlbiwKIAkJCSAgY29uc3QgaW50ICpmZHMsIHVuc2ln bmVkIGludCBmZHNfbnVtKTsKZGlmZiAtLWdpdCBhL2FyY2gvdW0vb3MtTGludXgvZmlsZS5jIGIv YXJjaC91bS9vcy1MaW51eC9maWxlLmMKaW5kZXggZTQ0MjFkYmM0YzM2Li5mYzQ0NTBkYjU5YmQg MTAwNjQ0Ci0tLSBhL2FyY2gvdW0vb3MtTGludXgvZmlsZS5jCisrKyBiL2FyY2gvdW0vb3MtTGlu dXgvZmlsZS5jCkBAIC02MjUsNiArNjI1LDE1IEBAIGludCBvc19mYWxsb2NfcHVuY2goaW50IGZk LCB1bnNpZ25lZCBsb25nIGxvbmcgb2Zmc2V0LCBpbnQgbGVuKQogCXJldHVybiBuOwogfQogCitp bnQgb3NfZmFsbG9jX3plcm9lcyhpbnQgZmQsIHVuc2lnbmVkIGxvbmcgbG9uZyBvZmZzZXQsIGlu dCBsZW4pCit7CisJaW50IG4gPSBmYWxsb2NhdGUoZmQsIEZBTExPQ19GTF9aRVJPX1JBTkdFfEZB TExPQ19GTF9LRUVQX1NJWkUsIG9mZnNldCwgbGVuKTsKKworCWlmIChuIDwgMCkKKwkJcmV0dXJu IC1lcnJubzsKKwlyZXR1cm4gbjsKK30KKwogaW50IG9zX2V2ZW50ZmQodW5zaWduZWQgaW50IGlu aXR2YWwsIGludCBmbGFncykKIHsKIAlpbnQgZmQgPSBldmVudGZkKGluaXR2YWwsIGZsYWdzKTsK LS0gCjIuMjUuMQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCmxpbnV4LXVtIG1haWxpbmcgbGlzdApsaW51eC11bUBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtdW0K