From mboxrd@z Thu Jan 1 00:00:00 1970 From: Archit Taneja Subject: [PATCH 1/2] drm/mgag200: Fix error handling paths in fbdev driver Date: Thu, 17 Sep 2015 16:30:54 +0530 Message-ID: <1442487655-9690-1-git-send-email-architt@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from smtp.codeaurora.org (smtp.codeaurora.org [198.145.29.96]) by gabe.freedesktop.org (Postfix) with ESMTPS id BBD116E66D for ; Thu, 17 Sep 2015 04:01:06 -0700 (PDT) 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, mingo@kernel.org Cc: Daniel Vetter , linux-kernel@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Linus Torvalds , Sudip Mukherjee List-Id: dri-devel@lists.freedesktop.org U2V0IHVwIGVycm9yIGhhbmRsaW5nIGluIG1nYWcyMDBfZmJkZXZfaW5pdCBhbmQgbWdhZzIwMGZi X2NyZWF0ZSBzdWNoIHRoYXQKdGhleSByZWxlYXNlIHRoZSB0aGluZ3MgdGhleSBhbGxvY2F0ZSwg cmF0aGVyIHRoYW4gcmVseWluZyBvbiBzb21lb25lCmNhbGxpbmcgbWdhX2ZiZGV2X2Rlc3Ryb3ku CgpCYXNlZCBvbiBhIHBhdGNoIGJ5IFN1ZGlwIE11a2hlcmplZSA8c3VkaXBtLm11a2hlcmplZUBn bWFpbC5jb20+CgpMaW5rOiBodHRwOi8vbGttbC5rZXJuZWwub3JnL3IvNTVGNkU2OEQuODA3MDgw MEBjb2RlYXVyb3JhLm9yZwpSZXBvcnRlZC1ieTogSW5nbyBNb2xuYXIgPG1pbmdvQGtlcm5lbC5v cmc+CkNjOiBEYW5pZWwgVmV0dGVyIDxkYW5pZWwudmV0dGVyQGZmd2xsLmNoPgpDYzogRGF2ZSBB aXJsaWUgPGFpcmxpZWRAZ21haWwuY29tPgpDYzogRGF2aWQgQWlybGllIDxhaXJsaWVkQGxpbnV4 LmllPgpDYzogTGludXMgVG9ydmFsZHMgPHRvcnZhbGRzQGxpbnV4LWZvdW5kYXRpb24ub3JnPgpD YzogUGV0ZXIgWmlqbHN0cmEgPHBldGVyekBpbmZyYWRlYWQub3JnPgpDYzogU3VkaXAgTXVraGVy amVlIDxzdWRpcG0ubXVraGVyamVlQGdtYWlsLmNvbT4KQ2M6IFRob21hcyBHbGVpeG5lciA8dGds eEBsaW51dHJvbml4LmRlPgpDYzogZHJpLWRldmVsIDxkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0 b3Aub3JnPgpTaWduZWQtb2ZmLWJ5OiBBcmNoaXQgVGFuZWphIDxhcmNoaXR0QGNvZGVhdXJvcmEu b3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9tZ2FnMjAwL21nYWcyMDBfZmIuYyB8IDMxICsrKysr KysrKysrKysrKysrKysrKysrLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAyMyBpbnNlcnRpb25z KCspLCA4IGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9tZ2FnMjAw L21nYWcyMDBfZmIuYyBiL2RyaXZlcnMvZ3B1L2RybS9tZ2FnMjAwL21nYWcyMDBfZmIuYwppbmRl eCA4N2RlMTVlLi5iMzViNWIyIDEwMDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vbWdhZzIwMC9t Z2FnMjAwX2ZiLmMKKysrIGIvZHJpdmVycy9ncHUvZHJtL21nYWcyMDAvbWdhZzIwMF9mYi5jCkBA IC0xODYsMTcgKzE4NiwxOSBAQCBzdGF0aWMgaW50IG1nYWcyMDBmYl9jcmVhdGUoc3RydWN0IGRy bV9mYl9oZWxwZXIgKmhlbHBlciwKIAogCXN5c3JhbSA9IHZtYWxsb2Moc2l6ZSk7CiAJaWYgKCFz eXNyYW0pCi0JCXJldHVybiAtRU5PTUVNOworCQlnb3RvIGVycl9zeXNyYW07CiAKIAlpbmZvID0g ZHJtX2ZiX2hlbHBlcl9hbGxvY19mYmkoaGVscGVyKTsKLQlpZiAoSVNfRVJSKGluZm8pKQotCQly ZXR1cm4gUFRSX0VSUihpbmZvKTsKKwlpZiAoSVNfRVJSKGluZm8pKSB7CisJCXJldCA9IFBUUl9F UlIoaW5mbyk7CisJCWdvdG8gZXJyX2FsbG9jX2ZiaTsKKwl9CiAKIAlpbmZvLT5wYXIgPSBtZmJk ZXY7CiAKIAlyZXQgPSBtZ2FnMjAwX2ZyYW1lYnVmZmVyX2luaXQoZGV2LCAmbWZiZGV2LT5tZmIs ICZtb2RlX2NtZCwgZ29iaik7CiAJaWYgKHJldCkKLQkJcmV0dXJuIHJldDsKKwkJZ290byBlcnJf ZnJhbWVidWZmZXJfaW5pdDsKIAogCW1mYmRldi0+c3lzcmFtID0gc3lzcmFtOwogCW1mYmRldi0+ c2l6ZSA9IHNpemU7CkBAIC0yMjUsNyArMjI3LDE3IEBAIHN0YXRpYyBpbnQgbWdhZzIwMGZiX2Ny ZWF0ZShzdHJ1Y3QgZHJtX2ZiX2hlbHBlciAqaGVscGVyLAogCiAJRFJNX0RFQlVHX0tNUygiYWxs b2NhdGVkICVkeCVkXG4iLAogCQkgICAgICBmYi0+d2lkdGgsIGZiLT5oZWlnaHQpOworCiAJcmV0 dXJuIDA7CisKK2Vycl9mcmFtZWJ1ZmZlcl9pbml0OgorCWRybV9mYl9oZWxwZXJfcmVsZWFzZV9m YmkoaGVscGVyKTsKK2Vycl9hbGxvY19mYmk6CisJdmZyZWUoc3lzcmFtKTsKK2Vycl9zeXNyYW06 CisJZHJtX2dlbV9vYmplY3RfdW5yZWZlcmVuY2VfdW5sb2NrZWQoZ29iaik7CisKKwlyZXR1cm4g cmV0OwogfQogCiBzdGF0aWMgaW50IG1nYV9mYmRldl9kZXN0cm95KHN0cnVjdCBkcm1fZGV2aWNl ICpkZXYsCkBAIC0yNzYsMjMgKzI4OCwyNiBAQCBpbnQgbWdhZzIwMF9mYmRldl9pbml0KHN0cnVj dCBtZ2FfZGV2aWNlICptZGV2KQogCXJldCA9IGRybV9mYl9oZWxwZXJfaW5pdChtZGV2LT5kZXYs ICZtZmJkZXYtPmhlbHBlciwKIAkJCQkgbWRldi0+bnVtX2NydGMsIE1HQUcyMDBGQl9DT05OX0xJ TUlUKTsKIAlpZiAocmV0KQotCQlyZXR1cm4gcmV0OworCQlnb3RvIGVycl9mYl9oZWxwZXI7CiAK IAlyZXQgPSBkcm1fZmJfaGVscGVyX3NpbmdsZV9hZGRfYWxsX2Nvbm5lY3RvcnMoJm1mYmRldi0+ aGVscGVyKTsKIAlpZiAocmV0KQotCQlnb3RvIGZpbmk7CisJCWdvdG8gZXJyX2ZiX3NldHVwOwog CiAJLyogZGlzYWJsZSBhbGwgdGhlIHBvc3NpYmxlIG91dHB1dHMvY3J0Y3MgYmVmb3JlIGVudGVy aW5nIEtNUyBtb2RlICovCiAJZHJtX2hlbHBlcl9kaXNhYmxlX3VudXNlZF9mdW5jdGlvbnMobWRl di0+ZGV2KTsKIAogCXJldCA9IGRybV9mYl9oZWxwZXJfaW5pdGlhbF9jb25maWcoJm1mYmRldi0+ aGVscGVyLCBicHBfc2VsKTsKIAlpZiAocmV0KQotCQlnb3RvIGZpbmk7CisJCWdvdG8gZXJyX2Zi X3NldHVwOwogCiAJcmV0dXJuIDA7CiAKLWZpbmk6CitlcnJfZmJfc2V0dXA6CiAJZHJtX2ZiX2hl bHBlcl9maW5pKCZtZmJkZXYtPmhlbHBlcik7CitlcnJfZmJfaGVscGVyOgorCW1kZXYtPm1mYmRl diA9IE5VTEw7CisKIAlyZXR1cm4gcmV0OwogfQogCi0tIApUaGUgUXVhbGNvbW0gSW5ub3ZhdGlv biBDZW50ZXIsIEluYy4gaXMgYSBtZW1iZXIgb2YgdGhlIENvZGUgQXVyb3JhIEZvcnVtLApob3N0 ZWQgYnkgVGhlIExpbnV4IEZvdW5kYXRpb24KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3Rz LmZyZWVkZXNrdG9wLm9yZwpodHRwOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vZHJpLWRldmVsCg==