From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abhinav Kumar Subject: [PATCH v2] drm/msm/dsi: add protection against NULL dsi device Date: Fri, 31 May 2019 19:43:27 -0700 Message-ID: <1559357007-21004-1-git-send-email-abhinavk@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 DDF9389A9F for ; Sat, 1 Jun 2019 02:43:36 +0000 (UTC) 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: linux-arm-msm@vger.kernel.org, Abhinav Kumar , seanpaul@chromium.org, hoegsberg@google.com, chandanu@codeaurora.org List-Id: dri-devel@lists.freedesktop.org V2hlbiBwYW5lbCBwcm9iZSBoYXBwZW5zIGFmdGVyIERTSSBwcm9iZSwgdGhlIERTSSBwcm9iZSBp cyBkZWZlcnJlZCBhcwpwZXIgY3VycmVudCBkZXNpZ24uIEluIHRoZSBwcm9iZSBkZWZlciBwYXRo IGRzaSBkZXZpY2UgaXMgZGVzdHJveWVkLgpUaGlzIE5VTEwgZHNpIGRldmljZSBjb3VsZCBiZSBk ZWZlcmVuY2VkIGJ5IHRoZSBwYW5lbCBwcm9iZSBpbiB0aGUKbWlwaV9kc2lfYXR0YWNoIHBhdGgu CgpDaGVjayBmb3IgTlVMTCBkc2kgZGV2aWNlIGJlZm9yZSBhY2Nlc3NpbmcgaXQuCgpDaGFuZ2Vz IGluIHYyOgogLSBBZGQgbW9yZSBjb21tZW50cyBvbiBob3cgdGhpcyBOVUxMIHBvaW50ZXIgc2l0 dWF0aW9uIHdpbGwgYmUgaGl0CgpSZXBvcnRlZC1ieTogSmVmZnJleSBIdWdvIDxqaHVnb0Bjb2Rl YXVyb3JhLm9yZz4KVGVzdGVkLWJ5OiBKZWZmcmV5IEh1Z28gPGpodWdvQGNvZGVhdXJvcmEub3Jn PgpTaWduZWQtb2ZmLWJ5OiBBYmhpbmF2IEt1bWFyIDxhYmhpbmF2a0Bjb2RlYXVyb3JhLm9yZz4K LS0tCiBkcml2ZXJzL2dwdS9kcm0vbXNtL2RzaS9kc2lfbWFuYWdlci5jIHwgMTIgKysrKysrKysr KystCiAxIGZpbGUgY2hhbmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKZGlm ZiAtLWdpdCBhL2RyaXZlcnMvZ3B1L2RybS9tc20vZHNpL2RzaV9tYW5hZ2VyLmMgYi9kcml2ZXJz L2dwdS9kcm0vbXNtL2RzaS9kc2lfbWFuYWdlci5jCmluZGV4IDgwYWE2MzQuLjhmY2IxM2YgMTAw NjQ0Ci0tLSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vZHNpL2RzaV9tYW5hZ2VyLmMKKysrIGIvZHJp dmVycy9ncHUvZHJtL21zbS9kc2kvZHNpX21hbmFnZXIuYwpAQCAtNzY5LDcgKzc2OSw3IEBAIGJv b2wgbXNtX2RzaV9tYW5hZ2VyX2NtZF94ZmVyX3RyaWdnZXIoaW50IGlkLCB1MzIgZG1hX2Jhc2Us IHUzMiBsZW4pCiB2b2lkIG1zbV9kc2lfbWFuYWdlcl9hdHRhY2hfZHNpX2RldmljZShpbnQgaWQs IHUzMiBkZXZpY2VfZmxhZ3MpCiB7CiAJc3RydWN0IG1zbV9kc2kgKm1zbV9kc2kgPSBkc2lfbWdy X2dldF9kc2koaWQpOwotCXN0cnVjdCBkcm1fZGV2aWNlICpkZXYgPSBtc21fZHNpLT5kZXY7CisJ c3RydWN0IGRybV9kZXZpY2UgKmRldjsKIAlzdHJ1Y3QgbXNtX2RybV9wcml2YXRlICpwcml2Owog CXN0cnVjdCBtc21fa21zICprbXM7CiAJc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyOwpAQCAt NzgxLDcgKzc4MSwxNyBAQCB2b2lkIG1zbV9kc2lfbWFuYWdlcl9hdHRhY2hfZHNpX2RldmljZShp bnQgaWQsIHUzMiBkZXZpY2VfZmxhZ3MpCiAJICogKGdlbmVyYWxseSB0aGUgY2FzZSB3aGVuIHdl J3JlIGNvbm5lY3RlZCB0byBhIGRybV9wYW5lbCBvZiB0aGUgdHlwZQogCSAqIG1pcGlfZHNpX2Rl dmljZSksIHRoaXMgd291bGQgYmUgTlVMTC4gSW4gc3VjaCBjYXNlcywgdHJ5IHRvIHNldCB0aGUK IAkgKiBlbmNvZGVyIG1vZGUgaW4gdGhlIERTSSBjb25uZWN0b3IncyBkZXRlY3QoKSBvcC4KKwkg KgorCSAqIG1zbV9kc2kgcG9pbnRlciBpcyBhc3NpZ25lZCB0byBhIHZhbGlkIGRzaSBkZXZpY2Ug b25seSB3aGVuCisJICogbXNtX2RzaV9tYW5hZ2VyX3JlZ2lzdGVyKCkgc3VjY2VlZHMuIFdoZW4g cGFuZWwgaGFzbnQgcHJvYmVkIHlldAorCSAqIGRzaV9tZ3Jfc2V0dXBfY29tcG9uZW50cygpIGNv dWxkIHBvdGVudGlhbGx5IHJldHVybiAtRURFRkVSIGFuZAorCSAqIGFzc2lnbiB0aGUgbXNtX2Rz aS0+ZGV2IHRvIE5VTEwuIFdoZW4gdGhlIHBhbmVsIG5vdyBwcm9iZXMgYW5kIGNhbGxzCisJICog bWlwaV9kc2lfYXR0YWNoKCksIHRoaXMgd2lsbCBjYWxsIG1zbV9kc2lfbWFuYWdlcl9hdHRhY2hf ZHNpX2RldmljZSgpCisJICogd2hpY2ggd2lsbCByZXN1bHQgaW4gYSBOVUxMIHBvaW50ZXIgZGVy ZWZlcmVuY2UKIAkgKi8KKworCWRldiA9IG1zbV9kc2kgPyBtc21fZHNpLT5kZXYgOiBOVUxMOwor CiAJaWYgKCFkZXYpCiAJCXJldHVybjsKIAotLSAKVGhlIFF1YWxjb21tIElubm92YXRpb24gQ2Vu dGVyLCBJbmMuIGlzIGEgbWVtYmVyIG9mIHRoZSBDb2RlIEF1cm9yYSBGb3J1bSwKYSBMaW51eCBG b3VuZGF0aW9uIENvbGxhYm9yYXRpdmUgUHJvamVjdAoKX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxA bGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxt YW4vbGlzdGluZm8vZHJpLWRldmVs