From patchwork Wed Sep 30 15:27:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 11809599 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D364692C for ; Wed, 30 Sep 2020 15:30:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4BC621481 for ; Wed, 30 Sep 2020 15:30:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730967AbgI3PaH (ORCPT ); Wed, 30 Sep 2020 11:30:07 -0400 Received: from retiisi.org.uk ([95.216.213.190]:44656 "EHLO hillosipuli.retiisi.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730968AbgI3P3I (ORCPT ); Wed, 30 Sep 2020 11:29:08 -0400 Received: from lanttu.localdomain (lanttu-e.localdomain [192.168.1.64]) by hillosipuli.retiisi.eu (Postfix) with ESMTP id A45C2634CD2 for ; Wed, 30 Sep 2020 18:28:49 +0300 (EEST) From: Sakari Ailus To: linux-media@vger.kernel.org Subject: [PATCH 037/100] ccs: Replace somewhat harsh internal checks based on BUG with WARN_ON Date: Wed, 30 Sep 2020 18:27:55 +0300 Message-Id: <20200930152858.8471-38-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200930152858.8471-1-sakari.ailus@linux.intel.com> References: <20200930152858.8471-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org If an internal driver error was encountered, BUG was issued. Instead, do less harsh WARN_ON_ONCE and try to manage with the consequences. Signed-off-by: Sakari Ailus --- drivers/media/i2c/ccs/ccs-core.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ccs/ccs-core.c b/drivers/media/i2c/ccs/ccs-core.c index 9a3d7131cd10..f51e1ae505b3 100644 --- a/drivers/media/i2c/ccs/ccs-core.c +++ b/drivers/media/i2c/ccs/ccs-core.c @@ -540,6 +540,10 @@ static void ccs_update_mbus_formats(struct ccs_sensor *sensor) to_csi_format_idx(sensor->internal_csi_format) & ~3; unsigned int pixel_order = ccs_pixel_order(sensor); + if (WARN_ON_ONCE(max(internal_csi_format_idx, csi_format_idx) + + pixel_order >= ARRAY_SIZE(ccs_csi_data_formats))) + return; + sensor->mbus_frame_fmts = sensor->default_mbus_frame_fmts << pixel_order; sensor->csi_format = @@ -548,9 +552,6 @@ static void ccs_update_mbus_formats(struct ccs_sensor *sensor) &ccs_csi_data_formats[internal_csi_format_idx + pixel_order]; - BUG_ON(max(internal_csi_format_idx, csi_format_idx) + pixel_order - >= ARRAY_SIZE(ccs_csi_data_formats)); - dev_dbg(&client->dev, "new pixel order %s\n", pixel_order_str[pixel_order]); } @@ -1800,7 +1801,7 @@ static void ccs_propagate(struct v4l2_subdev *subdev, *crops[CCS_PAD_SRC] = *comp; break; default: - BUG(); + WARN_ON_ONCE(1); } }