From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Christian=20K=C3=B6nig?= Subject: [PATCH 1/2] drm/ttm: allow zero sized kernel allocations Date: Tue, 12 Aug 2014 14:32:11 +0200 Message-ID: <1407846732-2377-1-git-send-email-deathsimple@vodafone.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from pegasos-out.vodafone.de (pegasos-out.vodafone.de [80.84.1.38]) by gabe.freedesktop.org (Postfix) with ESMTP id ADBA46E00F for ; Tue, 12 Aug 2014 05:32:48 -0700 (PDT) Received: from localhost (localhost.localdomain [127.0.0.1]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id F03A758E21C for ; Tue, 12 Aug 2014 14:32:46 +0200 (CEST) Received: from pegasos-out.vodafone.de ([127.0.0.1]) by localhost (rohrpostix2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Hjo+iiycZQ3R for ; Tue, 12 Aug 2014 14:32:25 +0200 (CEST) Received: from smtp-05.vodafone.de (xsmail-dmz2.prod.vfnet.de [10.215.254.33]) by pegasos-out.vodafone.de (Rohrpostix2 Daemon) with ESMTP id 6BD6758E1E8 for ; Tue, 12 Aug 2014 14:32:25 +0200 (CEST) Received: from smtp-05.vodafone.de ([127.0.0.1]) by localhost (xsmail-dmz2.prod.vfnet.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 9hJSF2kEs5WM for ; Tue, 12 Aug 2014 14:32:13 +0200 (CEST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org RnJvbTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hyaXN0aWFuLmtvZW5pZ0BhbWQuY29tPgoKVGhpcyBw YXRjaCBhbGxvd3MgdG8gY3JlYXRlIHplcm8gc2l6ZWQgVFRNIGJ1ZmZlcgpvYmplY3RzIGZvciBk cml2ZXIgaW50ZXJuYWwgdXNlLgoKU2lnbmVkLW9mZi1ieTogQ2hyaXN0aWFuIEvDtm5pZyA8Y2hy aXN0aWFuLmtvZW5pZ0BhbWQuY29tPgotLS0KIGRyaXZlcnMvZ3B1L2RybS90dG0vdHRtX2JvLmMg ICAgICB8IDQgKystLQogZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdXRpbC5jIHwgMiArLQog MiBmaWxlcyBjaGFuZ2VkLCAzIGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCgpkaWZmIC0t Z2l0IGEvZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm8uYyBiL2RyaXZlcnMvZ3B1L2RybS90dG0v dHRtX2JvLmMKaW5kZXggM2RhODlkNS4uMGI5NmEzYiAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUv ZHJtL3R0bS90dG1fYm8uYworKysgYi9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9iby5jCkBAIC0z MDksNyArMzA5LDcgQEAgc3RhdGljIGludCB0dG1fYm9faGFuZGxlX21vdmVfbWVtKHN0cnVjdCB0 dG1fYnVmZmVyX29iamVjdCAqYm8sCiAJCWlmIChyZXQpCiAJCQlnb3RvIG91dF9lcnI7CiAKLQkJ aWYgKG1lbS0+bWVtX3R5cGUgIT0gVFRNX1BMX1NZU1RFTSkgeworCQlpZiAoYm8tPnR0bS0+bnVt X3BhZ2VzICYmIG1lbS0+bWVtX3R5cGUgIT0gVFRNX1BMX1NZU1RFTSkgewogCQkJcmV0ID0gdHRt X3R0X2JpbmQoYm8tPnR0bSwgbWVtKTsKIAkJCWlmIChyZXQpCiAJCQkJZ290byBvdXRfZXJyOwpA QCAtMTEwNyw3ICsxMTA3LDcgQEAgaW50IHR0bV9ib19pbml0KHN0cnVjdCB0dG1fYm9fZGV2aWNl ICpiZGV2LAogCX0KIAogCW51bV9wYWdlcyA9IChzaXplICsgUEFHRV9TSVpFIC0gMSkgPj4gUEFH RV9TSElGVDsKLQlpZiAobnVtX3BhZ2VzID09IDApIHsKKwlpZiAodHlwZSAhPSB0dG1fYm9fdHlw ZV9rZXJuZWwgJiYgbnVtX3BhZ2VzID09IDApIHsKIAkJcHJfZXJyKCJJbGxlZ2FsIGJ1ZmZlciBv YmplY3Qgc2l6ZVxuIik7CiAJCWlmIChkZXN0cm95KQogCQkJKCpkZXN0cm95KShibyk7CmRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vdHRtL3R0bV9ib191dGlsLmMgYi9kcml2ZXJzL2dwdS9k cm0vdHRtL3R0bV9ib191dGlsLmMKaW5kZXggMzBlNWQ5MC4uODM1NDE5NSAxMDA2NDQKLS0tIGEv ZHJpdmVycy9ncHUvZHJtL3R0bS90dG1fYm9fdXRpbC5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS90 dG0vdHRtX2JvX3V0aWwuYwpAQCAtNjMsNyArNjMsNyBAQCBpbnQgdHRtX2JvX21vdmVfdHRtKHN0 cnVjdCB0dG1fYnVmZmVyX29iamVjdCAqYm8sCiAJaWYgKHVubGlrZWx5KHJldCAhPSAwKSkKIAkJ cmV0dXJuIHJldDsKIAotCWlmIChuZXdfbWVtLT5tZW1fdHlwZSAhPSBUVE1fUExfU1lTVEVNKSB7 CisJaWYgKHR0bS0+bnVtX3BhZ2VzICYmIG5ld19tZW0tPm1lbV90eXBlICE9IFRUTV9QTF9TWVNU RU0pIHsKIAkJcmV0ID0gdHRtX3R0X2JpbmQodHRtLCBuZXdfbWVtKTsKIAkJaWYgKHVubGlrZWx5 KHJldCAhPSAwKSkKIAkJCXJldHVybiByZXQ7Ci0tIAoxLjkuMQoKX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmkt ZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcv bWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK