From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: [PATCH AUTOSEL 4.14 02/28] drm/kms: Catch mode_object lifetime errors Date: Tue, 24 Sep 2019 12:50:05 -0400 Message-ID: <20190924165031.28292-2-sashal@kernel.org> References: <20190924165031.28292-1-sashal@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id BA37A6EAAD for ; Tue, 24 Sep 2019 16:50:35 +0000 (UTC) In-Reply-To: <20190924165031.28292-1-sashal@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sasha Levin , Daniel Vetter , Sean Paul , dri-devel@lists.freedesktop.org, Daniel Vetter List-Id: dri-devel@lists.freedesktop.org RnJvbTogRGFuaWVsIFZldHRlciA8ZGFuaWVsLnZldHRlckBmZndsbC5jaD4KClsgVXBzdHJlYW0g Y29tbWl0IDRmNTM2OGI1NTQxYTkwMmY2NTk2NTU4YjA1ZjVjMjFhOTc3MGRkMzIgXQoKT25seSBk eW5hbWljIG1vZGUgb2JqZWN0cywgaS5lLiB0aG9zZSB3aGljaCBhcmUgcmVmY291bnRlZCBhbmQg aGF2ZSBhIGZyZWUKY2FsbGJhY2ssIGNhbiBiZSBhZGRlZCB3aGlsZSB0aGUgb3ZlcmFsbCBkcm1f ZGV2aWNlIGlzIHZpc2libGUgdG8KdXNlcnNwYWNlLiBBbGwgb3RoZXJzIG11c3QgYmUgYWRkZWQg YmVmb3JlIGRybV9kZXZfcmVnaXN0ZXIgYW5kCnJlbW92ZWQgYWZ0ZXIgZHJtX2Rldl91bnJlZ2lz dGVyLgoKU21hbGwgaXNzdWUgYXJvdW5kIGRyaXZlcnMgc3RpbGwgdXNpbmcgdGhlIGxvYWQvdW5s b2FkIGNhbGxiYWNrcywgd2UKbmVlZCB0byBtYWtlIHN1cmUgd2Ugc2V0IGRldi0+cmVnaXN0ZXJl ZCBzbyB0aGF0IGxvYWQvdW5sb2FkIGNvZGUgaW4KdGhlc2UgY2FsbGJhY2tzIGRvZXNuJ3QgdHJp Z2dlciBmYWxzZSB3YXJuaW5ncy4gT25seSBhIHNtYWxsCmFkanVzdGVtZW50IGluIGRybV9kZXZf cmVnaXN0ZXIgd2FzIG5lZWRlZC4KCk1vdGl2YXRlZCBieSBzb21lIGlyYyBkaXNjdXNzaW9ucyBh Ym91dCBvYmplY3QgaWRzIG9mIGR5bmFtaWMgb2JqZWN0cwpsaWtlIGJsb2JzIGJlY29tZSBpbnZh bGlkLCBhbmQgbWUgZ29pbmcgb24gYSBiaXQgYW4gYXVkaXQgc3ByZWUuCgpSZXZpZXdlZC1ieTog U2VhbiBQYXVsIDxzZWFuQHBvb3JseS5ydW4+ClNpZ25lZC1vZmYtYnk6IERhbmllbCBWZXR0ZXIg PGRhbmllbC52ZXR0ZXJAaW50ZWwuY29tPgpMaW5rOiBodHRwczovL3BhdGNod29yay5mcmVlZGVz a3RvcC5vcmcvcGF0Y2gvbXNnaWQvMjAxOTA2MTQwNjE3MjMuMTE3My0xLWRhbmllbC52ZXR0ZXJA ZmZ3bGwuY2gKU2lnbmVkLW9mZi1ieTogU2FzaGEgTGV2aW4gPHNhc2hhbEBrZXJuZWwub3JnPgot LS0KIGRyaXZlcnMvZ3B1L2RybS9kcm1fZHJ2LmMgICAgICAgICB8IDQgKystLQogZHJpdmVycy9n cHUvZHJtL2RybV9tb2RlX29iamVjdC5jIHwgNCArKysrCiAyIGZpbGVzIGNoYW5nZWQsIDYgaW5z ZXJ0aW9ucygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0v ZHJtX2Rydi5jIGIvZHJpdmVycy9ncHUvZHJtL2RybV9kcnYuYwppbmRleCAzNDA0NDBmZWJmOWE1 Li40MjYzNjUxODFiZGMxIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2Rydi5jCisr KyBiL2RyaXZlcnMvZ3B1L2RybS9kcm1fZHJ2LmMKQEAgLTgwNCwxNCArODA0LDE0IEBAIGludCBk cm1fZGV2X3JlZ2lzdGVyKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHVuc2lnbmVkIGxvbmcgZmxh Z3MpCiAJaWYgKHJldCkKIAkJZ290byBlcnJfbWlub3JzOwogCi0JZGV2LT5yZWdpc3RlcmVkID0g dHJ1ZTsKLQogCWlmIChkZXYtPmRyaXZlci0+bG9hZCkgewogCQlyZXQgPSBkZXYtPmRyaXZlci0+ bG9hZChkZXYsIGZsYWdzKTsKIAkJaWYgKHJldCkKIAkJCWdvdG8gZXJyX21pbm9yczsKIAl9CiAK KwlkZXYtPnJlZ2lzdGVyZWQgPSB0cnVlOworCiAJaWYgKGRybV9jb3JlX2NoZWNrX2ZlYXR1cmUo ZGV2LCBEUklWRVJfTU9ERVNFVCkpCiAJCWRybV9tb2Rlc2V0X3JlZ2lzdGVyX2FsbChkZXYpOwog CmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZHJtX21vZGVfb2JqZWN0LmMgYi9kcml2ZXJz L2dwdS9kcm0vZHJtX21vZGVfb2JqZWN0LmMKaW5kZXggNWI2OTJjZTZhNDVkYi4uNjM5Zjg2OWRl MTcxYiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2RybV9tb2RlX29iamVjdC5jCisrKyBi L2RyaXZlcnMvZ3B1L2RybS9kcm1fbW9kZV9vYmplY3QuYwpAQCAtMzcsNiArMzcsOCBAQCBpbnQg X19kcm1fbW9kZV9vYmplY3RfYWRkKHN0cnVjdCBkcm1fZGV2aWNlICpkZXYsIHN0cnVjdCBkcm1f bW9kZV9vYmplY3QgKm9iaiwKIHsKIAlpbnQgcmV0OwogCisJV0FSTl9PTihkZXYtPnJlZ2lzdGVy ZWQgJiYgIW9ial9mcmVlX2NiKTsKKwogCW11dGV4X2xvY2soJmRldi0+bW9kZV9jb25maWcuaWRy X211dGV4KTsKIAlyZXQgPSBpZHJfYWxsb2MoJmRldi0+bW9kZV9jb25maWcuY3J0Y19pZHIsIHJl Z2lzdGVyX29iaiA/IG9iaiA6IE5VTEwsIDEsIDAsIEdGUF9LRVJORUwpOwogCWlmIChyZXQgPj0g MCkgewpAQCAtOTYsNiArOTgsOCBAQCB2b2lkIGRybV9tb2RlX29iamVjdF9yZWdpc3RlcihzdHJ1 Y3QgZHJtX2RldmljZSAqZGV2LAogdm9pZCBkcm1fbW9kZV9vYmplY3RfdW5yZWdpc3RlcihzdHJ1 Y3QgZHJtX2RldmljZSAqZGV2LAogCQkJCXN0cnVjdCBkcm1fbW9kZV9vYmplY3QgKm9iamVjdCkK IHsKKwlXQVJOX09OKGRldi0+cmVnaXN0ZXJlZCAmJiAhb2JqZWN0LT5mcmVlX2NiKTsKKwogCW11 dGV4X2xvY2soJmRldi0+bW9kZV9jb25maWcuaWRyX211dGV4KTsKIAlpZiAob2JqZWN0LT5pZCkg ewogCQlpZHJfcmVtb3ZlKCZkZXYtPm1vZGVfY29uZmlnLmNydGNfaWRyLCBvYmplY3QtPmlkKTsK LS0gCjIuMjAuMQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs