From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH] drm/amdgpu: fix NULL pointer dereference when run App with DRI_PRIME=1 Date: Fri, 25 May 2018 08:44:44 +0200 Message-ID: References: <1527226896-29270-1-git-send-email-Jerry.Zhang@amd.com> Reply-To: christian.koenig-5C7GfCeVMHo@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1527226896-29270-1-git-send-email-Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Junwei Zhang , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org TkFLLCB0aGF0IHByb2JhYmx5IGp1c3QgZml4ZWQgdGhlIHN5bXB0b20gYnV0IG5vdCB0aGUgdW5k ZXJseWluZyBwcm9ibGVtLgoKU29tZWJvZHkgaXMgYWNjZXNzaW5nIHRoZSBwYWdlIGFycmF5IHdo ZW4gaXQgc2hvdWxkIG5ldmVyIGJlIGFjY2Vzc2VkLgoKSG93IGRpZCB5b3UgbWFuYWdlIHRvIHRy aWdnZXIgdGhpcz8KClJlZ2FyZHMsCkNocmlzdGlhbi4KCkFtIDI1LjA1LjIwMTggdW0gMDc6NDEg c2NocmllYiBKdW53ZWkgWmhhbmc6Cj4gWyAgNjMyLjY3OTg2MV0gQlVHOiB1bmFibGUgdG8gaGFu ZGxlIGtlcm5lbCBOVUxMIHBvaW50ZXIgZGVyZWZlcmVuY2UgYXQgKG51bGwpCj4gWyAgNjMyLjY3 OTg5Ml0gSVA6IGRybV9wcmltZV9zZ190b19wYWdlX2FkZHJfYXJyYXlzKzB4NTIvMHhiMCBbZHJt XQo+IDxzbmlwPgo+IFsgIDYzMi42ODAwMTFdIENhbGwgVHJhY2U6Cj4gWyAgNjMyLjY4MDA4Ml0g IGFtZGdwdV90dG1fdHRfcG9wdWxhdGUrMHgzZS8weGEwIFthbWRncHVdCj4gWyAgNjMyLjY4MDA5 Ml0gIHR0bV90dF9wb3B1bGF0ZS5wYXJ0LjcrMHgyMi8weDYwIFthbWR0dG1dCj4gWyAgNjMyLjY4 MDA5OF0gIGFtZHR0bV90dF9iaW5kKzB4NTIvMHg2MCBbYW1kdHRtXQo+IFsgIDYzMi42ODAxMDZd ICB0dG1fYm9faGFuZGxlX21vdmVfbWVtKzB4NTRiLzB4NWMwIFthbWR0dG1dCj4gWyAgNjMyLjY4 MDExMl0gID8gZmluZF9uZXh0X2JpdCsweGIvMHgxMAo+IFsgIDYzMi42ODAxMTldICBhbWR0dG1f Ym9fdmFsaWRhdGUrMHgxMWQvMHgxMzAgW2FtZHR0bV0KPiBbICA2MzIuNjgwMTc2XSAgYW1kZ3B1 X2NzX2JvX3ZhbGlkYXRlKzB4OWQvMHgxNTAgW2FtZGdwdV0KPiBbICA2MzIuNjgwMjMyXSAgYW1k Z3B1X2NzX3ZhbGlkYXRlKzB4NDEvMHgyNzAgW2FtZGdwdV0KPiBbICA2MzIuNjgwMjg4XSAgYW1k Z3B1X2NzX2xpc3RfdmFsaWRhdGUrMHhjNy8weDFhMCBbYW1kZ3B1XQo+IFsgIDYzMi42ODAzNDNd ICBhbWRncHVfY3NfaW9jdGwrMHgxNjM0LzB4MWMwMCBbYW1kZ3B1XQo+IFsgIDYzMi42ODA0MDFd ICA/IGFtZGdwdV9jc19maW5kX21hcHBpbmcrMHgxMjAvMHgxMjAgW2FtZGdwdV0KPiBbICA2MzIu NjgwNDE2XSAgZHJtX2lvY3RsX2tlcm5lbCsweDZiLzB4YjAgW2RybV0KPiBbICA2MzIuNjgwNDMx XSAgZHJtX2lvY3RsKzB4M2U0LzB4NDUwIFtkcm1dCj4gWyAgNjMyLjY4MDQ4NV0gID8gYW1kZ3B1 X2NzX2ZpbmRfbWFwcGluZysweDEyMC8weDEyMCBbYW1kZ3B1XQo+IFsgIDYzMi42ODA1MzddICBh bWRncHVfZHJtX2lvY3RsKzB4NGMvMHg4MCBbYW1kZ3B1XQo+IFsgIDYzMi42ODA1NDJdICBkb192 ZnNfaW9jdGwrMHhhNC8weDYwMAo+IFsgIDYzMi42ODA1NDZdICA/IFN5U19mdXRleCsweDdmLzB4 MTgwCj4gWyAgNjMyLjY4MDU0OV0gIFN5U19pb2N0bCsweDc5LzB4OTAKPiBbICA2MzIuNjgwNTU0 XSAgZW50cnlfU1lTQ0FMTF82NF9mYXN0cGF0aCsweDI0LzB4YWIKPgo+IFNpZ25lZC1vZmYtYnk6 IEp1bndlaSBaaGFuZyA8SmVycnkuWmhhbmdAYW1kLmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1 L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYyB8IDIgKy0KPiAgIDEgZmlsZSBjaGFuZ2VkLCAx IGluc2VydGlvbigrKSwgMSBkZWxldGlvbigtKQo+Cj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1 L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYyBiL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1 L2FtZGdwdV90dG0uYwo+IGluZGV4IDU3ZDRkYTYuLmIyOTM4MDkgMTAwNjQ0Cj4gLS0tIGEvZHJp dmVycy9ncHUvZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0bS5jCj4gKysrIGIvZHJpdmVycy9ncHUv ZHJtL2FtZC9hbWRncHUvYW1kZ3B1X3R0bS5jCj4gQEAgLTEyMTIsNyArMTIxMiw3IEBAIHN0YXRp YyBzdHJ1Y3QgdHRtX3R0ICphbWRncHVfdHRtX3R0X2NyZWF0ZShzdHJ1Y3QgdHRtX2J1ZmZlcl9v YmplY3QgKmJvLAo+ICAgCWd0dC0+dHRtLnR0bS5mdW5jID0gJmFtZGdwdV9iYWNrZW5kX2Z1bmM7 Cj4gICAKPiAgIAkvKiBhbGxvY2F0ZSBzcGFjZSBmb3IgdGhlIHVuaW5pdGlhbGl6ZWQgcGFnZSBl bnRyaWVzICovCj4gLQlpZiAodHRtX3NnX3R0X2luaXQoJmd0dC0+dHRtLCBibywgcGFnZV9mbGFn cykpIHsKPiArCWlmICh0dG1fZG1hX3R0X2luaXQoJmd0dC0+dHRtLCBibywgcGFnZV9mbGFncykp IHsKPiAgIAkJa2ZyZWUoZ3R0KTsKPiAgIAkJcmV0dXJuIE5VTEw7Cj4gICAJfQoKX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxp c3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3Rv cC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4Cg==