From patchwork Thu Jun 14 12:49:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 10464101 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 050C0603EE for ; Thu, 14 Jun 2018 12:49:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EA51E28A63 for ; Thu, 14 Jun 2018 12:49:34 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DECA828A75; Thu, 14 Jun 2018 12:49:34 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 21B5E28A80 for ; Thu, 14 Jun 2018 12:49:34 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8DD856E6E1; Thu, 14 Jun 2018 12:49:33 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4699A6E6E1 for ; Thu, 14 Jun 2018 12:49:32 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 12046227-1500050 for multiple; Thu, 14 Jun 2018 13:49:23 +0100 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Thu, 14 Jun 2018 13:49:24 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 14 Jun 2018 13:49:23 +0100 Message-Id: <20180614124923.18071-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 Subject: [Intel-gfx] [PATCH] drm/i915/selftests: Initialise request to silence a compiler X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP With an old (4.7.3 on 32bit) gcc, it emits a warning for In file included from drivers/gpu/drm/i915/i915_request.c:1425:0: drivers/gpu/drm/i915/selftests/i915_request.c: In function ‘live_nop_request’: drivers/gpu/drm/i915/selftests/i915_request.c:380:21: error: ‘request’ may be used uninitialized in this function [-Werror=maybe-uninitialized] Silence it by just setting it to NULL on initialisation. Signed-off-by: Chris Wilson Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/selftests/i915_request.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index f5d00332bb31..63cd9486cc13 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -342,9 +342,9 @@ static int live_nop_request(void *arg) mutex_lock(&i915->drm.struct_mutex); for_each_engine(engine, i915, id) { - IGT_TIMEOUT(end_time); - struct i915_request *request; + struct i915_request *request = NULL; unsigned long n, prime; + IGT_TIMEOUT(end_time); ktime_t times[2] = {}; err = begin_live_test(&t, i915, __func__, engine->name);