From mboxrd@z Thu Jan 1 00:00:00 1970 From: Abhinav Kumar Subject: Re: [PATCH] drm/msm/dsi: add protection against NULL dsi device Date: Thu, 07 Mar 2019 14:02:03 -0800 Message-ID: References: <1551922134-22518-1-git-send-email-abhinavk@codeaurora.org> <20190307215947.GG114153@art_vandelay> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190307215947.GG114153@art_vandelay> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Sean Paul Cc: jhugo@codeaurora.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, seanpaul@chromium.org, hoegsberg@google.com, chandanu@codeaurora.org List-Id: linux-arm-msm@vger.kernel.org T24gMjAxOS0wMy0wNyAxMzo1OSwgU2VhbiBQYXVsIHdyb3RlOgo+IE9uIFdlZCwgTWFyIDA2LCAy MDE5IGF0IDA1OjI4OjU0UE0gLTA4MDAsIEFiaGluYXYgS3VtYXIgd3JvdGU6Cj4+IFdoZW4gcGFu ZWwgcHJvYmUgaGFwcGVucyBhZnRlciBEU0kgcHJvYmUsIHRoZSBEU0kgcHJvYmUKPj4gaXMgZGVm ZXJyZWQgYXMgcGVyIGN1cnJlbnQgZGVzaWduLiBJbiB0aGUgcHJvYmUgZGVmZXIgcGF0aAo+PiBk c2kgZGV2aWNlIGlzIGRlc3Ryb3llZC4gVGhpcyBOVUxMIGRzaSBkZXZpY2UgY291bGQgYmUKPj4g ZGVmZXJlbmNlZCBieSB0aGUgcGFuZWwgcHJvYmUgaW4gdGhlIG1pcGlfZHNpX2F0dGFjaCBwYXRo Lgo+PiAKPj4gQ2hlY2sgZm9yIE5VTEwgZHNpIGRldmljZSBiZWZvcmUgYWNjZXNzaW5nIGl0Lgo+ IAo+IEl0IHdvdWxkIGJlIHJlYWxseSBuaWNlIHRvIHNvcnQgYWxsIG9mIHRoaXMgb3V0IGluIGEg bWFubmVyIHRoYXQncyBub3QKPiBzcHJpbmtsaW5nIE5VTEwgY2hlY2tzIGFyb3VuZCB0aGUgZHJp dmVyLiBJIHNwZW50IDUgbWludXRlcyBsb29raW5nIAo+IGFyb3VuZCBhbmQKPiBjb3VsZG4ndCBy ZWFsbHkgbWFrZSBzZW5zZSBvZiBob3cgYWxsIG9mIHRoZXNlIHBpZWNlcyBpbnRlcmFjdCwgYnV0 IAo+IHRoaXMgc2VlbXMKPiBsaWtlIGl0IG1pZ2h0IGJlIGFuIGFyY2hpdGVjdHVyYWwgcHJvYmxl bSAocGVyaGFwcyBzaW5jZSBkcHUgd2FzIHVzaW5nIAo+IGl0cyBvd24KPiBwYW5lbCBzdHVmZiBp bnN0ZWFkIG9mIGRybV9wYW5lbD8pLgo+IAo+IEFueXdheXMsIGl0J2QgYmUgbmljZSB0byBmaXgg dGhhdC4KPiAKPiBJbiB0aGUgbWVhbnRpbWUsIGNvdWxkIHlvdSBwbGVhc2UgYWRkIGEgYmlnIGNv bW1lbnQgbGlrZSB0aGUgIWRldiBjaGVjayAKPiBpbiB0aGlzCj4gZnVuY3Rpb24gZXhwbGFpbmlu ZyBob3cgdGhpcyBzaXR1YXRpb24gY2FuIGNvbWUgdG8gcGFzcz8gVGhhdCB3YXkgdGhlIAo+IGtu b3dsZWRnZQo+IGlzbid0IGxvc3QgYW5kIHdob2V2ZXIgY29tZXMgYWxvbmcgdG8gY2xlYW4gdXAg YWxsIG9mIHRoZXNlIHByb2JlIAo+IGNoZWNrcyB3aWxsCj4gaGF2ZSBzb21lIGNsdWUgYXMgdG8g d2hhdCdzIGdvaW5nIG9uLgo+IAo+IFNlYW4KW0FiaGluYXZdIFN1cmUgU2Vhbiwgd2lsbCBhZGQg YSBkZXRhaWxlZCBjb21tZW50IHRvIGV4cGxhaW4gdGhlIHNjZW5hcmlvCj4gCj4+IAo+PiBSZXBv cnRlZC1ieTogSmVmZnJleSBIdWdvIDxqaHVnb0Bjb2RlYXVyb3JhLm9yZz4KPj4gVGVzdGVkLWJ5 OiBKZWZmcmV5IEh1Z28gPGpodWdvQGNvZGVhdXJvcmEub3JnPgo+PiBTaWduZWQtb2ZmLWJ5OiBB YmhpbmF2IEt1bWFyIDxhYmhpbmF2a0Bjb2RlYXVyb3JhLm9yZz4KPj4gLS0tCj4+ICBkcml2ZXJz L2dwdS9kcm0vbXNtL2RzaS9kc2lfbWFuYWdlci5jIHwgMiArLQo+PiAgMSBmaWxlIGNoYW5nZWQs IDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4+IAo+PiBkaWZmIC0tZ2l0IGEvZHJpdmVy cy9ncHUvZHJtL21zbS9kc2kvZHNpX21hbmFnZXIuYyAKPj4gYi9kcml2ZXJzL2dwdS9kcm0vbXNt L2RzaS9kc2lfbWFuYWdlci5jCj4+IGluZGV4IDgwYWE2MzQuLmNjMjU2OWQgMTAwNjQ0Cj4+IC0t LSBhL2RyaXZlcnMvZ3B1L2RybS9tc20vZHNpL2RzaV9tYW5hZ2VyLmMKPj4gKysrIGIvZHJpdmVy cy9ncHUvZHJtL21zbS9kc2kvZHNpX21hbmFnZXIuYwo+PiBAQCAtNzY5LDcgKzc2OSw3IEBAIGJv b2wgbXNtX2RzaV9tYW5hZ2VyX2NtZF94ZmVyX3RyaWdnZXIoaW50IGlkLCB1MzIgCj4+IGRtYV9i YXNlLCB1MzIgbGVuKQo+PiAgdm9pZCBtc21fZHNpX21hbmFnZXJfYXR0YWNoX2RzaV9kZXZpY2Uo aW50IGlkLCB1MzIgZGV2aWNlX2ZsYWdzKQo+PiAgewo+PiAgCXN0cnVjdCBtc21fZHNpICptc21f ZHNpID0gZHNpX21ncl9nZXRfZHNpKGlkKTsKPj4gLQlzdHJ1Y3QgZHJtX2RldmljZSAqZGV2ID0g bXNtX2RzaS0+ZGV2Owo+PiArCXN0cnVjdCBkcm1fZGV2aWNlICpkZXYgPSBtc21fZHNpID8gbXNt X2RzaS0+ZGV2IDogTlVMTDsKPj4gIAlzdHJ1Y3QgbXNtX2RybV9wcml2YXRlICpwcml2Owo+PiAg CXN0cnVjdCBtc21fa21zICprbXM7Cj4+ICAJc3RydWN0IGRybV9lbmNvZGVyICplbmNvZGVyOwo+ PiAtLQo+PiBUaGUgUXVhbGNvbW0gSW5ub3ZhdGlvbiBDZW50ZXIsIEluYy4gaXMgYSBtZW1iZXIg b2YgdGhlIENvZGUgQXVyb3JhIAo+PiBGb3J1bSwKPj4gYSBMaW51eCBGb3VuZGF0aW9uIENvbGxh Ym9yYXRpdmUgUHJvamVjdAo+PiAKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRl c2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8v ZHJpLWRldmVs