From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lionel Landwerlin Date: Tue, 14 Jul 2020 14:16:33 +0000 Subject: Re: [PATCH] drm/i915/selftest: Fix an error code in live_noa_gpr() Message-Id: <71508ba9-6cad-45f9-a3b1-b3401ac0a1d5@intel.com> List-Id: References: <20200714141216.GA314989@mwanda> In-Reply-To: <20200714141216.GA314989@mwanda> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: Dan Carpenter , Jani Nikula , Chris Wilson Cc: David Airlie , intel-gfx@lists.freedesktop.org, kernel-janitors@vger.kernel.org On 14/07/2020 17:12, Dan Carpenter wrote: > The error code is not set on this error path. It's either zero or > uninitialized at this point. > > Fixes: ed2690a9ca89 ("drm/i915/selftest: Check that GPR are restored across noa_wait") > Signed-off-by: Dan Carpenter > --- > drivers/gpu/drm/i915/selftests/i915_perf.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/gpu/drm/i915/selftests/i915_perf.c b/drivers/gpu/drm/i915/selftests/i915_perf.c > index deb6dec1b5ab..7aa73bb03381 100644 > --- a/drivers/gpu/drm/i915/selftests/i915_perf.c > +++ b/drivers/gpu/drm/i915/selftests/i915_perf.c > @@ -329,6 +329,7 @@ static int live_noa_gpr(void *arg) > cs = intel_ring_begin(rq, 2 * 32 + 2); > if (IS_ERR(cs)) { > i915_request_add(rq); > + err = PTR_ERR(cs); > goto out_rq; > } > Looks like there is another below : cs = intel_ring_begin(rq, 4); if (IS_ERR(cs)) {         i915_request_add(rq);         goto out_rq; } -Lionel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E0B5CC433E7 for ; Tue, 14 Jul 2020 14:16:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C019A2250F for ; Tue, 14 Jul 2020 14:16:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C019A2250F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5B4D46E8B5; Tue, 14 Jul 2020 14:16:44 +0000 (UTC) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id A359C6E0CA for ; Tue, 14 Jul 2020 14:16:42 +0000 (UTC) IronPort-SDR: butfuc6GcTJ7g8fpn4PhgNs49ylFbWwdWyBXg2CU5tNCefVEJLq8z9ezOcl1Zkn23TpC/rAR1G rE/8/hDXgM7Q== X-IronPort-AV: E=McAfee;i="6000,8403,9681"; a="210435948" X-IronPort-AV: E=Sophos;i="5.75,350,1589266800"; d="scan'208";a="210435948" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Jul 2020 07:16:41 -0700 IronPort-SDR: YU6dLP1DNLMURLAnRyH0/ToXPzukvGtC8bpWPbwcPGhBJaSgyj1GfhPu9Ymdxq/gckaOxafLvR 6xoooXJnMkRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,350,1589266800"; d="scan'208";a="325852274" Received: from gruberda-mobl2.ger.corp.intel.com (HELO [10.249.32.254]) ([10.249.32.254]) by orsmga007.jf.intel.com with ESMTP; 14 Jul 2020 07:16:38 -0700 To: Dan Carpenter , Jani Nikula , Chris Wilson References: <20200714141216.GA314989@mwanda> From: Lionel Landwerlin Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ Message-ID: <71508ba9-6cad-45f9-a3b1-b3401ac0a1d5@intel.com> Date: Tue, 14 Jul 2020 17:16:33 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.9.0 MIME-Version: 1.0 In-Reply-To: <20200714141216.GA314989@mwanda> Content-Language: en-US Subject: Re: [Intel-gfx] [PATCH] drm/i915/selftest: Fix an error code in live_noa_gpr() X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: David Airlie , intel-gfx@lists.freedesktop.org, kernel-janitors@vger.kernel.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" T24gMTQvMDcvMjAyMCAxNzoxMiwgRGFuIENhcnBlbnRlciB3cm90ZToKPiBUaGUgZXJyb3IgY29k ZSBpcyBub3Qgc2V0IG9uIHRoaXMgZXJyb3IgcGF0aC4gIEl0J3MgZWl0aGVyIHplcm8gb3IKPiB1 bmluaXRpYWxpemVkIGF0IHRoaXMgcG9pbnQuCj4KPiBGaXhlczogZWQyNjkwYTljYTg5ICgiZHJt L2k5MTUvc2VsZnRlc3Q6IENoZWNrIHRoYXQgR1BSIGFyZSByZXN0b3JlZCBhY3Jvc3Mgbm9hX3dh aXQiKQo+IFNpZ25lZC1vZmYtYnk6IERhbiBDYXJwZW50ZXIgPGRhbi5jYXJwZW50ZXJAb3JhY2xl LmNvbT4KPiAtLS0KPiAgIGRyaXZlcnMvZ3B1L2RybS9pOTE1L3NlbGZ0ZXN0cy9pOTE1X3BlcmYu YyB8IDEgKwo+ICAgMSBmaWxlIGNoYW5nZWQsIDEgaW5zZXJ0aW9uKCspCj4KPiBkaWZmIC0tZ2l0 IGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvc2VsZnRlc3RzL2k5MTVfcGVyZi5jIGIvZHJpdmVycy9n cHUvZHJtL2k5MTUvc2VsZnRlc3RzL2k5MTVfcGVyZi5jCj4gaW5kZXggZGViNmRlYzFiNWFiLi43 YWE3M2JiMDMzODEgMTAwNjQ0Cj4gLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvc2VsZnRlc3Rz L2k5MTVfcGVyZi5jCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvc2VsZnRlc3RzL2k5MTVf cGVyZi5jCj4gQEAgLTMyOSw2ICszMjksNyBAQCBzdGF0aWMgaW50IGxpdmVfbm9hX2dwcih2b2lk ICphcmcpCj4gICAJY3MgPSBpbnRlbF9yaW5nX2JlZ2luKHJxLCAyICogMzIgKyAyKTsKPiAgIAlp ZiAoSVNfRVJSKGNzKSkgewo+ICAgCQlpOTE1X3JlcXVlc3RfYWRkKHJxKTsKPiArCQllcnIgPSBQ VFJfRVJSKGNzKTsKPiAgIAkJZ290byBvdXRfcnE7Cj4gICAJfQo+ICAgCgpMb29rcyBsaWtlIHRo ZXJlIGlzIGFub3RoZXIgYmVsb3cgOgoKY3MgPSBpbnRlbF9yaW5nX2JlZ2luKHJxLCA0KTsKaWYg KElTX0VSUihjcykpIHsKIMKgwqDCoMKgwqDCoMKgIGk5MTVfcmVxdWVzdF9hZGQocnEpOwogwqDC oMKgwqDCoMKgwqAgZ290byBvdXRfcnE7Cn0KCi1MaW9uZWwKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwt Z2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9t YWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=