From mboxrd@z Thu Jan 1 00:00:00 1970 From: Imre Deak Subject: [PATCH v2 2/3] drm/mst: Avoid dereferencing a NULL mstb in drm_dp_mst_handle_up_req() Date: Wed, 19 Jul 2017 14:43:29 +0300 Message-ID: <20170719114330.26540-3-imre.deak@intel.com> References: <20170719114330.26540-1-imre.deak@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id ECECF6E4D1 for ; Wed, 19 Jul 2017 11:43:35 +0000 (UTC) In-Reply-To: <20170719114330.26540-1-imre.deak@intel.com> 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 Cc: Dave Airlie , Daniel Vetter List-Id: dri-devel@lists.freedesktop.org SW4gY2FzZSBvZiBhbiB1bmtub3duIGJyb2FkY2FzdCBtZXNzYWdlIGlzIHNlbnQgbXN0YiB3aWxs IHJlbWFpbiB1bnNldCwKc28gY2hlY2sgZm9yIHRoaXMuCgpDYzogRGF2ZSBBaXJsaWUgPGFpcmxp ZWRAcmVkaGF0LmNvbT4KQ2M6IEx5dWRlIDxseXVkZUByZWRoYXQuY29tPgpDYzogRGFuaWVsIFZl dHRlciA8ZGFuaWVsLnZldHRlckBmZndsbC5jaD4KU2lnbmVkLW9mZi1ieTogSW1yZSBEZWFrIDxp bXJlLmRlYWtAaW50ZWwuY29tPgpSZXZpZXdlZC1ieTogTHl1ZGUgPGx5dWRlQHJlZGhhdC5jb20+ Ci0tLQogZHJpdmVycy9ncHUvZHJtL2RybV9kcF9tc3RfdG9wb2xvZ3kuYyB8IDQgKysrLQogMSBm aWxlIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlmZiAtLWdpdCBh L2RyaXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMgYi9kcml2ZXJzL2dwdS9kcm0v ZHJtX2RwX21zdF90b3BvbG9neS5jCmluZGV4IGM2YWUzZTY4OTE4Zi4uNzhlOWE3ZDU4Nzk0IDEw MDY0NAotLS0gYS9kcml2ZXJzL2dwdS9kcm0vZHJtX2RwX21zdF90b3BvbG9neS5jCisrKyBiL2Ry aXZlcnMvZ3B1L2RybS9kcm1fZHBfbXN0X3RvcG9sb2d5LmMKQEAgLTIzMjgsNyArMjMyOCw5IEBA IHN0YXRpYyBpbnQgZHJtX2RwX21zdF9oYW5kbGVfdXBfcmVxKHN0cnVjdCBkcm1fZHBfbXN0X3Rv cG9sb2d5X21nciAqbWdyKQogCQkJRFJNX0RFQlVHX0tNUygiR290IFJTTjogcG46ICVkIGF2YWls X3BibiAlZFxuIiwgbXNnLnUucmVzb3VyY2Vfc3RhdC5wb3J0X251bWJlciwgbXNnLnUucmVzb3Vy Y2Vfc3RhdC5hdmFpbGFibGVfcGJuKTsKIAkJfQogCi0JCWRybV9kcF9wdXRfbXN0X2JyYW5jaF9k ZXZpY2UobXN0Yik7CisJCWlmIChtc3RiKQorCQkJZHJtX2RwX3B1dF9tc3RfYnJhbmNoX2Rldmlj ZShtc3RiKTsKKwogCQltZW1zZXQoJm1nci0+dXBfcmVxX3JlY3YsIDAsIHNpemVvZihzdHJ1Y3Qg ZHJtX2RwX3NpZGViYW5kX21zZ19yeCkpOwogCX0KIAlyZXR1cm4gcmV0OwotLSAKMi4xMy4yCgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwg bWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK