From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sean Paul Subject: [PATCH] drm/msm: Fix NULL deref on bind/probe deferral Date: Thu, 31 May 2018 14:48:58 -0400 Message-ID: <20180531184858.181917-1-seanpaul@chromium.org> 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: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: abhinavk-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, Sean Paul , jsanka-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, hoegsberg-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org, Daniel Mack List-Id: linux-arm-msm@vger.kernel.org VGhpcyBwYXRjaCBhdm9pZHMgZGVyZWZlcmVuY2luZyBtc21faG9zdC0+ZGV2IHdoZW4gaXQgaXMg TlVMTC4KCklmIHdlIGZpbmQgb3Vyc2VsdmVzIHRlYXJpbmcgZG93biBkc2kgYmVmb3JlIGNhbGxp bmcKKG1kcDR8bWRwNXxkcHUpX2ttc19pbml0KCksIHdlJ2xsIGVuZCB1cCBpbiBhIHN0YXRlIHdo ZXJlIHRoZSBkZXYKcG9pbnRlciBpcyBOVUxMIGFuZCB0cnlpbmcgdG8gZXh0cmFjdCBwcml2IGZy b20gaXQgd2lsbCBmYWlsLgoKVGhpcyB3YXMgaW50cm9kdWNlZCBpbiBhIHNlZW1pbmdseSBpbm5v Y3VvdXMgY29tbWl0IHRvIGVuc3VyZSB0aGUKYXJndW1lbnRzIHRvIG1zbV9nZW1fcHV0X2lvdmEo KSBhcmUgY29ycmVjdCAoZXZlbiB0aG91Z2ggdGhhdApmdW5jdGlvbiBoYXMgYmVlbiBhIHN0dWIg Zm9yIH41IHllYXJzKS4gQ29ycmVjdG5lc3MgRlRXISBcby8KCkZpeGVzOiBiMDE4ODRhMjg2YjAg ZHJtL21zbTogdXNlIGNvcnJlY3QgYXNwYWNlIHBvaW50ZXIgaW4gbXNtX2dlbV9wdXRfaW92YSgp CkNjOiBEYW5pZWwgTWFjayA8ZGFuaWVsQHpvbnF1ZS5vcmc+CkNjOiBSb2IgQ2xhcmsgPHJvYmRj bGFya0BnbWFpbC5jb20+ClNpZ25lZC1vZmYtYnk6IFNlYW4gUGF1bCA8c2VhbnBhdWxAY2hyb21p dW0ub3JnPgotLS0KIGRyaXZlcnMvZ3B1L2RybS9tc20vZHNpL2RzaV9ob3N0LmMgfCAxMiArKysr KysrKysrKy0KIDEgZmlsZSBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0p CgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9ncHUvZHJtL21zbS9kc2kvZHNpX2hvc3QuYyBiL2RyaXZl cnMvZ3B1L2RybS9tc20vZHNpL2RzaV9ob3N0LmMKaW5kZXggYjkxNmY0NjRmNGVjLi4yZjFhMjc4 MDY1OGEgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vZHNpL2RzaV9ob3N0LmMKKysr IGIvZHJpdmVycy9ncHUvZHJtL21zbS9kc2kvZHNpX2hvc3QuYwpAQCAtMTA2Niw4ICsxMDY2LDE4 IEBAIHN0YXRpYyBpbnQgZHNpX3R4X2J1Zl9hbGxvYyhzdHJ1Y3QgbXNtX2RzaV9ob3N0ICptc21f aG9zdCwgaW50IHNpemUpCiBzdGF0aWMgdm9pZCBkc2lfdHhfYnVmX2ZyZWUoc3RydWN0IG1zbV9k c2lfaG9zdCAqbXNtX2hvc3QpCiB7CiAJc3RydWN0IGRybV9kZXZpY2UgKmRldiA9IG1zbV9ob3N0 LT5kZXY7Ci0Jc3RydWN0IG1zbV9kcm1fcHJpdmF0ZSAqcHJpdiA9IGRldi0+ZGV2X3ByaXZhdGU7 CisJc3RydWN0IG1zbV9kcm1fcHJpdmF0ZSAqcHJpdjsKKworCS8qCisJICogVGhpcyBpcyBwb3Nz aWJsZSBpZiB3ZSdyZSB0ZWFyaW5nIGRvd24gYmVmb3JlIHdlJ3ZlIGhhZCBhIGNoYW5jZSB0bwor CSAqIGZ1bGx5IGluaXRpYWxpemUuIEEgdmVyeSByZWFsIHBvc3NpYmlsaXR5IGlmIG91ciBwcm9i ZSBpcyBkZWZlcnJlZCwKKwkgKiBpbiB3aGljaCBjYXNlIHdlJ2xsIGhpdCBtc21fZHNpX2hvc3Rf ZGVzdHJveSgpIHdpdGhvdXQgaGF2aW5nIHJ1bgorCSAqIHRocm91Z2ggdGhlIGRzaV90eF9idWZf YWxsb2MoKS4KKwkgKi8KKwlpZiAoIWRldikKKwkJcmV0dXJuOwogCisJcHJpdiA9IGRldi0+ZGV2 X3ByaXZhdGU7CiAJaWYgKG1zbV9ob3N0LT50eF9nZW1fb2JqKSB7CiAJCW1zbV9nZW1fcHV0X2lv dmEobXNtX2hvc3QtPnR4X2dlbV9vYmosIHByaXYtPmttcy0+YXNwYWNlKTsKIAkJZHJtX2dlbV9v YmplY3RfcHV0X3VubG9ja2VkKG1zbV9ob3N0LT50eF9nZW1fb2JqKTsKLS0gClNlYW4gUGF1bCwg U29mdHdhcmUgRW5naW5lZXIsIEdvb2dsZSAvIENocm9taXVtIE9TCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpGcmVlZHJlbm8gbWFpbGluZyBsaXN0CkZy ZWVkcmVub0BsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5v cmcvbWFpbG1hbi9saXN0aW5mby9mcmVlZHJlbm8K