From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sudip Mukherjee Subject: [PATCH] drm/i915: add error path Date: Wed, 22 Jul 2015 16:58:47 +0530 Message-ID: <1437564527-11667-1-git-send-email-sudipm.mukherjee@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Daniel Vetter , Jani Nikula , David Airlie Cc: intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Sudip Mukherjee List-Id: intel-gfx@lists.freedesktop.org SWYgYW55IG9mIHRoZSBkZWJ1ZyBmaWxlIGNyZWF0aW9uIGZhaWxzIHdlIHdlcmUganVzdCByZXR1 cm5pbmcgdGhlCmVycm9yIGNvZGUgdG8gdGhlIGRybSBsYXllci4gQnV0IHRoZSBkZWJ1ZyBmaWxl cyB0aGF0IHdlIGNyZWF0ZWQgaW4gdGhlCnByb2Nlc3Mgd2VyZSBub3QgcmVtb3ZlZC4gQW5kIGRl YnVnZnMgZmlsZXMgYXJlIG5vdCBhdXRvbWF0aWNhbGx5CmNsZWFuZWQgdXAuCgpTaWduZWQtb2Zm LWJ5OiBTdWRpcCBNdWtoZXJqZWUgPHN1ZGlwQHZlY3RvcmluZGlhLm9yZz4KLS0tCgpIaSBEYW5p ZWwsCldob20gc2hvdWxkIGkga2VlcCBDYzogZm9yIHRoaXMgcGF0Y2g/IE9yaWdpbmFsIGNvZGUg d2FzIGZyb20gMjAwOSwgdGhlbgptb3JlIGNvZGVzIGhhdmUgYmVlbiBhZGRlZCBhbmQgY2hhbmdl ZCBpbiBpdC4KCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2RlYnVnZnMuYyB8IDI2ICsrKysr KysrKysrKysrKysrKysrKysrKy0tCiAxIGZpbGUgY2hhbmdlZCwgMjQgaW5zZXJ0aW9ucygrKSwg MiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X2Rl YnVnZnMuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdmcy5jCmluZGV4IGNhZjEz ODIuLjI0YjA0ZjkgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdm cy5jCisrKyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2k5MTVfZGVidWdmcy5jCkBAIC01MTQ3LDcg KzUxNDcsNyBAQCBpbnQgaTkxNV9kZWJ1Z2ZzX2luaXQoc3RydWN0IGRybV9taW5vciAqbWlub3Ip CiAJZm9yIChpID0gMDsgaSA8IEFSUkFZX1NJWkUoaTkxNV9waXBlX2NyY19kYXRhKTsgaSsrKSB7 CiAJCXJldCA9IGk5MTVfcGlwZV9jcmNfY3JlYXRlKG1pbm9yLT5kZWJ1Z2ZzX3Jvb3QsIG1pbm9y LCBpKTsKIAkJaWYgKHJldCkKLQkJCXJldHVybiByZXQ7CisJCQlnb3RvIGVycl9waXBlX2NyYzsK IAl9CiAKIAlmb3IgKGkgPSAwOyBpIDwgQVJSQVlfU0laRShpOTE1X2RlYnVnZnNfZmlsZXMpOyBp KyspIHsKQEAgLTUxNTUsMTIgKzUxNTUsMzQgQEAgaW50IGk5MTVfZGVidWdmc19pbml0KHN0cnVj dCBkcm1fbWlub3IgKm1pbm9yKQogCQkJCQkgIGk5MTVfZGVidWdmc19maWxlc1tpXS5uYW1lLAog CQkJCQkgIGk5MTVfZGVidWdmc19maWxlc1tpXS5mb3BzKTsKIAkJaWYgKHJldCkKLQkJCXJldHVy biByZXQ7CisJCQlnb3RvIGVycl9kZWJ1Z2ZzOwogCX0KIAogCXJldHVybiBkcm1fZGVidWdmc19j cmVhdGVfZmlsZXMoaTkxNV9kZWJ1Z2ZzX2xpc3QsCiAJCQkJCUk5MTVfREVCVUdGU19FTlRSSUVT LAogCQkJCQltaW5vci0+ZGVidWdmc19yb290LCBtaW5vcik7CisKK2Vycl9kZWJ1Z2ZzOgorCXdo aWxlICgtLWkgPj0gMCkgeworCQlzdHJ1Y3QgZHJtX2luZm9fbGlzdCAqaW5mb19saXN0ID0KKwkJ CShzdHJ1Y3QgZHJtX2luZm9fbGlzdCAqKWk5MTVfZGVidWdmc19maWxlc1tpXS5mb3BzOworCisJ CWRybV9kZWJ1Z2ZzX3JlbW92ZV9maWxlcyhpbmZvX2xpc3QsIDEsIG1pbm9yKTsKKwl9CisKK2Vy cl9waXBlX2NyYzoKKwlpZiAoaSA9PSAtMSkKKwkJaSA9IEFSUkFZX1NJWkUoaTkxNV9waXBlX2Ny Y19kYXRhKTsKKworCXdoaWxlICgtLWkgPj0gMCkgeworCQlzdHJ1Y3QgZHJtX2luZm9fbGlzdCAq aW5mb19saXN0ID0KKwkJCShzdHJ1Y3QgZHJtX2luZm9fbGlzdCAqKSZpOTE1X3BpcGVfY3JjX2Rh dGFbaV07CisJCWRybV9kZWJ1Z2ZzX3JlbW92ZV9maWxlcyhpbmZvX2xpc3QsIDEsIG1pbm9yKTsK Kwl9CisJZHJtX2RlYnVnZnNfcmVtb3ZlX2ZpbGVzKChzdHJ1Y3QgZHJtX2luZm9fbGlzdCAqKSZp OTE1X2ZvcmNld2FrZV9mb3BzLAorCQkJCSAxLCBtaW5vcik7CisKKwlyZXR1cm4gcmV0OwogfQog CiB2b2lkIGk5MTVfZGVidWdmc19jbGVhbnVwKHN0cnVjdCBkcm1fbWlub3IgKm1pbm9yKQotLSAK MS44LjEuMgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK