From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:54219 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750833AbbK0Fox (ORCPT ); Fri, 27 Nov 2015 00:44:53 -0500 Received: from epcpsbgr4.samsung.com (u144.gpu120.samsung.co.kr [203.254.230.144]) by mailout4.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NYG00F7QLARU6C0@mailout4.samsung.com> for linux-media@vger.kernel.org; Fri, 27 Nov 2015 14:44:51 +0900 (KST) Date: Fri, 27 Nov 2015 05:44:51 +0000 (GMT) From: =?euc-kr?B?sejBpLno?= Subject: [PATCH] driver:dma bug_fix : access freed memory To: sumit.semwal@linaro.org, gregkh@linuxfoundation.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Reply-to: jb09.kim@samsung.com MIME-version: 1.0 Content-transfer-encoding: base64 Content-type: text/plain; charset=euc-kr MIME-version: 1.0 Message-id: <1606811477.1531761448603090175.JavaMail.weblogic@epmlwas01d> Sender: linux-media-owner@vger.kernel.org List-ID: RnJvbSA4ZjZhZWIzNjJkOWU0NGYyOWQ0NmFlNzY5NGNkZmVlNDQwODQwNmNlIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQ0KRnJvbTogIktJTSBKVUdOQkFFIiA8amIwOS5raW1Ac2Ftc3VuZy5jb20+ DQpEYXRlOiBUaHUsIDI2IE5vdiAyMDE1IDE2OjI4OjQ3ICswOTAwDQpTdWJqZWN0OiBbUEFUQ0hd IGJ1Z19maXggOiBhY2Nlc3MgZnJlZWQgbWVtb3J5DQoNCnN5bmNfZmVuY19mcmVlICYgZmVuY2Vf Y2hlY2tfY2JfZnVuYyB3b3VsZCBiZSBleGVjdXRlZCBhdA0Kb3RoZXIgY3B1LiBmZW5jZV9jaGVj a19jYl9mdW5jIGFjY2VzcyBmcmVlZCBmZW5jZSBtZW1vcnkgYWZ0ZXINCmtmcmVlKGZlbmNlKSBh dCBzeW5jX2ZlbmNlX2ZyZWUuDQpUbyBlc2NhcGVkIHRoaXMgaXNzdWUsIGF0b21pY19yZWFkKCZm ZW5jZS0+c3RhdHVzKSBuZWVkIHRvIGJlDQpwcm90ZWN0ZWQgYnkgY2hpbGRfbGlzdF9sb2NrLg0K DQpTaWduZWQtb2ZmLWJ5OiAia2ltanVuZ2JhZVwiICIgPGpiMDkua2ltQHNhbXN1bmcuY29tPiIN Ci0tLQ0KIGRyaXZlcnMvZG1hLWJ1Zi9mZW5jZS5jICAgICAgICAgICAgICB8ICAgMTMgKysrKysr KysrKysrKw0KIGRyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL3N5bmMuYyAgICAgICB8ICAgMTAgKysr KysrKy0tLQ0KIGRyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL3N5bmNfZGVidWcuYyB8ICAgIDIgKysN CiBpbmNsdWRlL2xpbnV4L2ZlbmNlLmggICAgICAgICAgICAgICAgfCAgICAxICsNCiA0IGZpbGVz IGNoYW5nZWQsIDIzIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pDQoNCmRpZmYgLS1naXQg YS9kcml2ZXJzL2RtYS1idWYvZmVuY2UuYyBiL2RyaXZlcnMvZG1hLWJ1Zi9mZW5jZS5jDQppbmRl eCA3YmI5ZDY1Li5kNDAyMTFlIDEwMDY0NA0KLS0tIGEvZHJpdmVycy9kbWEtYnVmL2ZlbmNlLmMN CisrKyBiL2RyaXZlcnMvZG1hLWJ1Zi9mZW5jZS5jDQpAQCAtMzEwLDYgKzMxMCwxOSBAQCBmZW5j ZV9yZW1vdmVfY2FsbGJhY2soc3RydWN0IGZlbmNlICpmZW5jZSwgc3RydWN0IGZlbmNlX2NiICpj YikNCiB9DQogRVhQT1JUX1NZTUJPTChmZW5jZV9yZW1vdmVfY2FsbGJhY2spOw0KIA0KK2Jvb2wN CitmZW5jZV9yZW1vdmVfY2FsbGJhY2tfbG9ja2VkKHN0cnVjdCBmZW5jZSAqZmVuY2UsIHN0cnVj dCBmZW5jZV9jYiAqY2IpDQorew0KKwlib29sIHJldDsNCisNCisJcmV0ID0gIWxpc3RfZW1wdHko JmNiLT5ub2RlKTsNCisJaWYgKHJldCkNCisJCWxpc3RfZGVsX2luaXQoJmNiLT5ub2RlKTsNCisN CisJcmV0dXJuIHJldDsNCit9DQorRVhQT1JUX1NZTUJPTChmZW5jZV9yZW1vdmVfY2FsbGJhY2tf bG9ja2VkKTsNCisNCiBzdHJ1Y3QgZGVmYXVsdF93YWl0X2NiIHsNCiAJc3RydWN0IGZlbmNlX2Ni IGJhc2U7DQogCXN0cnVjdCB0YXNrX3N0cnVjdCAqdGFzazsNCmRpZmYgLS1naXQgYS9kcml2ZXJz L3N0YWdpbmcvYW5kcm9pZC9zeW5jLmMgYi9kcml2ZXJzL3N0YWdpbmcvYW5kcm9pZC9zeW5jLmMN CmluZGV4IDgzZjY0MGYuLjliNjA1NDIgMTAwNjQ0DQotLS0gYS9kcml2ZXJzL3N0YWdpbmcvYW5k cm9pZC9zeW5jLmMNCisrKyBiL2RyaXZlcnMvc3RhZ2luZy9hbmRyb2lkL3N5bmMuYw0KQEAgLTUx OCwxMiArNTE4LDE2IEBAIHN0YXRpYyBjb25zdCBzdHJ1Y3QgZmVuY2Vfb3BzIGFuZHJvaWRfZmVu Y2Vfb3BzID0gew0KIHN0YXRpYyB2b2lkIHN5bmNfZmVuY2VfZnJlZShzdHJ1Y3Qga3JlZiAqa3Jl ZikNCiB7DQogCXN0cnVjdCBzeW5jX2ZlbmNlICpmZW5jZSA9IGNvbnRhaW5lcl9vZihrcmVmLCBz dHJ1Y3Qgc3luY19mZW5jZSwga3JlZik7DQotCWludCBpLCBzdGF0dXMgPSBhdG9taWNfcmVhZCgm ZmVuY2UtPnN0YXR1cyk7DQorCWludCBpOw0KKwl1bnNpZ25lZCBsb25nIGZsYWdzOw0KIA0KIAlm b3IgKGkgPSAwOyBpIDwgZmVuY2UtPm51bV9mZW5jZXM7ICsraSkgew0KLQkJaWYgKHN0YXR1cykN Ci0JCQlmZW5jZV9yZW1vdmVfY2FsbGJhY2soZmVuY2UtPmNic1tpXS5zeW5jX3B0LA0KKwkJc3Bp bl9sb2NrX2lycXNhdmUoZmVuY2UtPmNic1tpXS5zeW5jX3B0LT5sb2NrLCBmbGFncyk7DQorCQlp ZiAoYXRvbWljX3JlYWQoJmZlbmNlLT5zdGF0dXMpKQ0KKwkJCWZlbmNlX3JlbW92ZV9jYWxsYmFj a19sb2NrZWQoZmVuY2UtPmNic1tpXS5zeW5jX3B0LA0KIAkJCQkJICAgICAgJmZlbmNlLT5jYnNb aV0uY2IpOw0KKwkJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZShmZW5jZS0+Y2JzW2ldLnN5bmNfcHQt PmxvY2ssIGZsYWdzKTsNCisNCiAJCWZlbmNlX3B1dChmZW5jZS0+Y2JzW2ldLnN5bmNfcHQpOw0K IAl9DQogDQpkaWZmIC0tZ2l0IGEvZHJpdmVycy9zdGFnaW5nL2FuZHJvaWQvc3luY19kZWJ1Zy5j IGIvZHJpdmVycy9zdGFnaW5nL2FuZHJvaWQvc3luY19kZWJ1Zy5jDQppbmRleCAwMTUzY2QyLi5l ODU0ZjM1IDEwMDY0NA0KLS0tIGEvZHJpdmVycy9zdGFnaW5nL2FuZHJvaWQvc3luY19kZWJ1Zy5j DQorKysgYi9kcml2ZXJzL3N0YWdpbmcvYW5kcm9pZC9zeW5jX2RlYnVnLmMNCkBAIC0xNTUsNyAr MTU1LDkgQEAgc3RhdGljIHZvaWQgc3luY19wcmludF9mZW5jZShzdHJ1Y3Qgc2VxX2ZpbGUgKnMs IHN0cnVjdCBzeW5jX2ZlbmNlICpmZW5jZSkNCiAJCQljb250YWluZXJfb2YoZmVuY2UtPmNic1tp XS5zeW5jX3B0LA0KIAkJCQkgICAgIHN0cnVjdCBzeW5jX3B0LCBiYXNlKTsNCiANCisJCXNwaW5f bG9ja19pcnFzYXZlKHB0LT5iYXNlLmxvY2ssIGZsYWdzKTsNCiAJCXN5bmNfcHJpbnRfcHQocywg cHQsIHRydWUpOw0KKwkJc3Bpbl91bmxvY2tfaXJxcmVzdG9yZShwdC0+YmFzZS5sb2NrLCBmbGFn cyk7DQogCX0NCiANCiAJc3Bpbl9sb2NrX2lycXNhdmUoJmZlbmNlLT53cS5sb2NrLCBmbGFncyk7 DQpkaWZmIC0tZ2l0IGEvaW5jbHVkZS9saW51eC9mZW5jZS5oIGIvaW5jbHVkZS9saW51eC9mZW5j ZS5oDQppbmRleCBkMTc0NTg1Li5hNWEzZmQxIDEwMDY0NA0KLS0tIGEvaW5jbHVkZS9saW51eC9m ZW5jZS5oDQorKysgYi9pbmNsdWRlL2xpbnV4L2ZlbmNlLmgNCkBAIC0yMjQsNiArMjI0LDcgQEAg c2lnbmVkIGxvbmcgZmVuY2VfZGVmYXVsdF93YWl0KHN0cnVjdCBmZW5jZSAqZmVuY2UsIGJvb2wg aW50ciwgc2lnbmVkIGxvbmcgdGltZW8NCiBpbnQgZmVuY2VfYWRkX2NhbGxiYWNrKHN0cnVjdCBm ZW5jZSAqZmVuY2UsIHN0cnVjdCBmZW5jZV9jYiAqY2IsDQogCQkgICAgICAgZmVuY2VfZnVuY190 IGZ1bmMpOw0KIGJvb2wgZmVuY2VfcmVtb3ZlX2NhbGxiYWNrKHN0cnVjdCBmZW5jZSAqZmVuY2Us IHN0cnVjdCBmZW5jZV9jYiAqY2IpOw0KK2Jvb2wgZmVuY2VfcmVtb3ZlX2NhbGxiYWNrX2xvY2tl ZChzdHJ1Y3QgZmVuY2UgKmZlbmNlLCBzdHJ1Y3QgZmVuY2VfY2IgKmNiKTsNCiB2b2lkIGZlbmNl X2VuYWJsZV9zd19zaWduYWxpbmcoc3RydWN0IGZlbmNlICpmZW5jZSk7DQogDQogLyoqDQotLSAN CjEuNy45LjUNCg0K