From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joonyoung Shim Subject: Re: [PATCH] drm/exynos: iommu: fix potential NULL pointer dereference Date: Thu, 02 Jul 2015 21:46:46 +0900 Message-ID: <559532B6.7020509@samsung.com> References: <1435237812-24959-1-git-send-email-m.szyprowski@samsung.com> <20150629153544.79046d24@hwh-ubuntu> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-reply-to: <20150629153544.79046d24@hwh-ubuntu> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Hyungwon Hwang , Marek Szyprowski Cc: Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, dri-devel@lists.freedesktop.org, Andrzej Hajda , Gustavo Padovan List-Id: linux-samsung-soc@vger.kernel.org T24gMDYvMjkvMjAxNSAwMzozNSBQTSwgSHl1bmd3b24gSHdhbmcgd3JvdGU6Cj4gRGVhciBNYXJl aywKPiAKPiBPbiBUaHUsIDI1IEp1biAyMDE1IDE1OjEwOjEyICswMjAwCj4gTWFyZWsgU3p5cHJv d3NraSA8bS5zenlwcm93c2tpQHNhbXN1bmcuY29tPiB3cm90ZToKPiAKPj4gU29tZSBkcml2ZXJz IChsaWtlIEV4eW5vcyBtaXhlcikgY2FsbHMKPj4gZHJtX2lvbW11X2F0dGFjaF9kZXZpY2VfaWZf cG9zc2libGUgYmVmb3JlIHJlZ2lzdGVyaW5nIGNydGMsIHNvCj4+IGFkZGl0aW9uYWwgY2hlY2sg Zm9yIE5VTEwgY3J0YyBwb2ludGVyIGlzIHJlcXVpcmVkLgo+IAo+IEl0IHNlZW1zIHJlYXNvbmFi bGUuCj4gCj4gUmV2aWV3ZWQtYnk6IEh5dW5nd29uIEh3YW5nIDxodW1hbi5od2FuZ0BzYW1zdW5n LmNvbT4KPiAKClRoaXMgcGF0Y2ggaXMgb2sgYnV0IGkgdGhpbmsgaXQgY2FuIHJlbW92ZSB0byB1 c2UgY2xlYXJfY2hhbm5lbHMKZnVuY3Rpb24gcG9pbnRlciBhbmQgZHJtX2lvbW11X2F0dGFjaF9k ZXZpY2VfaWZfcG9zc2libGUgZnVuY3Rpb24KYmVjYXVzZSBhbHJlYWR5IGRybV9pb21tdV9hdHRh Y2hfZGV2aWNlIGZ1bmN0aW9uIGNoZWNrcyB3aGV0aGVyIHN1cHBvcnQKaW9tbXUgaW50ZXJuYWxs eS4KCkkgd2lsbCByZWFkeSByZWxhdGVkIHBhdGNoLgoKVGhhbmtzLgoKPj4KPj4gU2lnbmVkLW9m Zi1ieTogTWFyZWsgU3p5cHJvd3NraSA8bS5zenlwcm93c2tpQHNhbXN1bmcuY29tPgo+PiAtLS0K Pj4gIGRyaXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX2RybV9pb21tdS5jIHwgMiArLQo+PiAg MSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspLCAxIGRlbGV0aW9uKC0pCj4+Cj4+IGRpZmYg LS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL2V4eW5vc19kcm1faW9tbXUuYwo+PiBiL2Ry aXZlcnMvZ3B1L2RybS9leHlub3MvZXh5bm9zX2RybV9pb21tdS5jIGluZGV4Cj4+IGQ0ZWM3NDY1 ZTljYy4uZDRlYjczMGJhMjU0IDEwMDY0NCAtLS0KPj4gYS9kcml2ZXJzL2dwdS9kcm0vZXh5bm9z L2V4eW5vc19kcm1faW9tbXUuYyArKysKPj4gYi9kcml2ZXJzL2dwdS9kcm0vZXh5bm9zL2V4eW5v c19kcm1faW9tbXUuYyBAQCAtMTUxLDcgKzE1MSw3IEBAIGludAo+PiBkcm1faW9tbXVfYXR0YWNo X2RldmljZV9pZl9wb3NzaWJsZShzdHJ1Y3QgZXh5bm9zX2RybV9jcnRjCj4+ICpleHlub3NfY3J0 YywgaW50IHJldCA9IDA7IAo+PiAgCWlmIChpc19kcm1faW9tbXVfc3VwcG9ydGVkKGRybV9kZXYp KSB7Cj4+IC0JCWlmIChleHlub3NfY3J0Yy0+b3BzLT5jbGVhcl9jaGFubmVscykKPj4gKwkJaWYg KGV4eW5vc19jcnRjICYmIGV4eW5vc19jcnRjLT5vcHMtPmNsZWFyX2NoYW5uZWxzKQo+PiAgCQkJ ZXh5bm9zX2NydGMtPm9wcy0+Y2xlYXJfY2hhbm5lbHMoZXh5bm9zX2NydGMpOwo+PiAgCQlyZXR1 cm4gZHJtX2lvbW11X2F0dGFjaF9kZXZpY2UoZHJtX2Rldiwgc3ViZHJ2X2Rldik7Cj4+ICAJfQo+ IAo+IAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJp LWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHA6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK