From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Wu Subject: [PATCH] qxl: fix null-pointer crash during suspend Date: Tue, 4 Sep 2018 22:27:47 +0200 Message-ID: <20180904202747.14968-1-peter@lekensteyn.nl> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from lekensteyn.nl (lekensteyn.nl [178.21.112.251]) by gabe.freedesktop.org (Postfix) with ESMTPS id 47676895C4 for ; Tue, 4 Sep 2018 21:08:59 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Dave Airlie , Gerd Hoffmann Cc: Alan Jenkins , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org List-Id: dri-devel@lists.freedesktop.org ImNydGMtPmhlbHBlcl9wcml2YXRlIiBpcyBub3QgaW5pdGlhbGl6ZWQgYnkgdGhlIFFYTCBkcml2 ZXIgYW5kIHRodXMgdGhlCiJjcnRjX2Z1bmNzLT5kaXNhYmxlIiBjYWxsIHdvdWxkIGNyYXNoIChy ZXN1bHRpbmcgaW4gc3VzcGVuZCBmYWlsdXJlKS4KRml4IHRoaXMgYnkgY29udmVydGluZyB0aGUg c3VzcGVuZC9yZXN1bWUgZnVuY3Rpb25zIHRvIHVzZSB0aGUKZHJtX21vZGVfY29uZmlnX2hlbHBl cl8qIGhlbHBlcnMuCgpUZXN0ZWQgc3lzdGVtIHNsZWVwIHdpdGggUUVNVSAzLjAgdXNpbmcgImVj aG8gbWVtID4gL3N5cy9wb3dlci9zdGF0ZSIuCkR1cmluZyBzdXNwZW5kIHRoZSBmb2xsb3dpbmcg bWVzc2FnZSBpcyB2aXNpYmxlIGZyb20gUUVNVToKCiAgICBzcGljZS9zZXJ2ZXIvZGlzcGxheS1j aGFubmVsLmM6MjQyNTpkaXNwbGF5X2NoYW5uZWxfdmFsaWRhdGVfc3VyZmFjZTogY2FudmFzIGFk ZHJlc3MgaXMgMHg3ZmQwNWRhNjgzMDggZm9yIDAgKGFuZCBpcyBOVUxMKQogICAgc3BpY2Uvc2Vy dmVyL2Rpc3BsYXktY2hhbm5lbC5jOjI0MjY6ZGlzcGxheV9jaGFubmVsX3ZhbGlkYXRlX3N1cmZh Y2U6IGZhaWxlZCBvbiAwCgpUaGlzIHNlZW1zIHRvIGJlIHRyaWdnZXJlZCBieSBRWExfSU9fTk9U SUZZX0NNRCBhZnRlcgpRWExfSU9fREVTVFJPWV9QUklNQVJZX0FTWU5DLCBidXQgYXNpZGUgZnJv bSB0aGUgd2FybmluZyB0aGluZ3Mgc3RpbGwKc2VlbSB0byB3b3JrICh0ZXN0ZWQgd2l0aCBib3Ro IHRoZSBHVEsgYW5kIC1zcGljZSBvcHRpb25zKS4KClNpZ25lZC1vZmYtYnk6IFBldGVyIFd1IDxw ZXRlckBsZWtlbnN0ZXluLm5sPgotLS0KSGksCgpJIGZvdW5kIHRoaXMgaXNzdWUgd2hpbGUgdHJ5 aW5nIHRvIHN1c3BlbmQgYSBWTSB0aGF0IHVzZXMgUVhMLiBJbiBvcmRlciB0byBzZWUKdGhlIHN0 YWNrIHRyYWNlIG92ZXIgc2VyaWFsLCBib290IHdpdGggbm9fY29uc29sZV9zdXNwZW5kLiBTZWFy Y2hpbmcgZm9yCiJxeGxfZHJtX2ZyZWV6ZSIgc2hvd2VkIG9uZSByZWNlbnQgcmVwb3J0IGZyb20g QWxhbjoKaHR0cHM6Ly9sa21sLmtlcm5lbC5vcmcvci84OTFlMzM0Yy1jZjE5LTAzMmMtYjk5Ni01 OWFjMTY2ZmNkZTFAZ21haWwuY29tCgpLaW5kIHJlZ2FyZHMsClBldGVyCi0tLQogZHJpdmVycy9n cHUvZHJtL3F4bC9xeGxfZHJ2LmMgfCAyNiArKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLQogMSBm aWxlIGNoYW5nZWQsIDUgaW5zZXJ0aW9ucygrKSwgMjEgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL3F4bC9xeGxfZHJ2LmMgYi9kcml2ZXJzL2dwdS9kcm0vcXhsL3F4 bF9kcnYuYwppbmRleCAyNDQ1ZTc1Y2Y3ZWEuLmQwMGY0NWVlZDAzYyAxMDA2NDQKLS0tIGEvZHJp dmVycy9ncHUvZHJtL3F4bC9xeGxfZHJ2LmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL3F4bC9xeGxf ZHJ2LmMKQEAgLTEzNiwyMCArMTM2LDExIEBAIHN0YXRpYyBpbnQgcXhsX2RybV9mcmVlemUoc3Ry dWN0IGRybV9kZXZpY2UgKmRldikKIHsKIAlzdHJ1Y3QgcGNpX2RldiAqcGRldiA9IGRldi0+cGRl djsKIAlzdHJ1Y3QgcXhsX2RldmljZSAqcWRldiA9IGRldi0+ZGV2X3ByaXZhdGU7Ci0Jc3RydWN0 IGRybV9jcnRjICpjcnRjOwotCi0JZHJtX2ttc19oZWxwZXJfcG9sbF9kaXNhYmxlKGRldik7Ci0K LQljb25zb2xlX2xvY2soKTsKLQlxeGxfZmJkZXZfc2V0X3N1c3BlbmQocWRldiwgMSk7Ci0JY29u c29sZV91bmxvY2soKTsKKwlpbnQgcmV0OwogCi0JLyogdW5waW4gdGhlIGZyb250IGJ1ZmZlcnMg Ki8KLQlsaXN0X2Zvcl9lYWNoX2VudHJ5KGNydGMsICZkZXYtPm1vZGVfY29uZmlnLmNydGNfbGlz dCwgaGVhZCkgewotCQljb25zdCBzdHJ1Y3QgZHJtX2NydGNfaGVscGVyX2Z1bmNzICpjcnRjX2Z1 bmNzID0gY3J0Yy0+aGVscGVyX3ByaXZhdGU7Ci0JCWlmIChjcnRjLT5lbmFibGVkKQotCQkJKCpj cnRjX2Z1bmNzLT5kaXNhYmxlKShjcnRjKTsKLQl9CisJcmV0ID0gZHJtX21vZGVfY29uZmlnX2hl bHBlcl9zdXNwZW5kKGRldik7CisJaWYgKHJldCkKKwkJcmV0dXJuIHJldDsKIAogCXF4bF9kZXN0 cm95X21vbml0b3JzX29iamVjdChxZGV2KTsKIAlxeGxfc3VyZl9ldmljdChxZGV2KTsKQEAgLTE3 NSwxNCArMTY2LDcgQEAgc3RhdGljIGludCBxeGxfZHJtX3Jlc3VtZShzdHJ1Y3QgZHJtX2Rldmlj ZSAqZGV2LCBib29sIHRoYXcpCiAJfQogCiAJcXhsX2NyZWF0ZV9tb25pdG9yc19vYmplY3QocWRl dik7Ci0JZHJtX2hlbHBlcl9yZXN1bWVfZm9yY2VfbW9kZShkZXYpOwotCi0JY29uc29sZV9sb2Nr KCk7Ci0JcXhsX2ZiZGV2X3NldF9zdXNwZW5kKHFkZXYsIDApOwotCWNvbnNvbGVfdW5sb2NrKCk7 Ci0KLQlkcm1fa21zX2hlbHBlcl9wb2xsX2VuYWJsZShkZXYpOwotCXJldHVybiAwOworCXJldHVy biBkcm1fbW9kZV9jb25maWdfaGVscGVyX3Jlc3VtZShkZXYpOwogfQogCiBzdGF0aWMgaW50IHF4 bF9wbV9zdXNwZW5kKHN0cnVjdCBkZXZpY2UgKmRldikKLS0gCjIuMTguMAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlz dApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0 b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==