Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757464Ab3DXCoM (ORCPT ); Tue, 23 Apr 2013 22:44:12 -0400 Received: from mail-bk0-f52.google.com ([209.85.214.52]:36825 "EHLO mail-bk0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756598Ab3DXCoK (ORCPT ); Tue, 23 Apr 2013 22:44:10 -0400 MIME-Version: 1.0 Date: Wed, 24 Apr 2013 10:44:08 +0800 Message-ID: Subject: [PATCH -next v2] gpu: host1x: gr2d: fix error return code in gr2d_submit() From: Wei Yongjun To: grant.likely@linaro.org, rob.herring@calxeda.com, thierry.reding@avionic-design.de, tbergstrom@nvidia.com, amerilainen@nvidia.com Cc: yongjun_wei@trendmicro.com.cn, linux-kernel@vger.kernel.org, devicetree-discuss@lists.ozlabs.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1394 Lines: 46 From: Wei Yongjun Fix to return -EINVAL in the host1x_bo lookup error handling case instead of 0, as done elsewhere in this function. Signed-off-by: Wei Yongjun --- v1 -> v2: fix the patch subject --- drivers/gpu/host1x/drm/gr2d.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/host1x/drm/gr2d.c b/drivers/gpu/host1x/drm/gr2d.c index 6a45ae0..146cd64 100644 --- a/drivers/gpu/host1x/drm/gr2d.c +++ b/drivers/gpu/host1x/drm/gr2d.c @@ -135,8 +135,10 @@ static int gr2d_submit(struct host1x_drm_context *context, goto fail; bo = host1x_bo_lookup(drm, file, cmdbuf.handle); - if (!bo) + if (!bo) { + err = -EINVAL; goto fail; + } host1x_job_add_gather(job, bo, cmdbuf.words, cmdbuf.offset); num_cmdbufs--; @@ -158,8 +160,10 @@ static int gr2d_submit(struct host1x_drm_context *context, reloc->cmdbuf = cmdbuf; reloc->target = target; - if (!reloc->target || !reloc->cmdbuf) + if (!reloc->target || !reloc->cmdbuf) { + err = -EINVAL; goto fail; + } } err = copy_from_user(job->waitchk, waitchks, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/