From patchwork Sat Sep 23 15:20:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Hans Verkuil X-Patchwork-Id: 13396827 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CFC7BCE7A88 for ; Sat, 23 Sep 2023 15:21:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231949AbjIWPVg (ORCPT ); Sat, 23 Sep 2023 11:21:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41242 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231869AbjIWPVf (ORCPT ); Sat, 23 Sep 2023 11:21:35 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DC3C19C for ; Sat, 23 Sep 2023 08:21:29 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 314C5C433CA; Sat, 23 Sep 2023 15:21:27 +0000 (UTC) From: Hans Verkuil To: linux-media@vger.kernel.org Cc: Arnd Bergmann , Hans Verkuil , Luca Ceresoli , Maxime Ripard , =?utf-8?q?Niklas_S=C3=B6derlund?= , Sowjanya Komatineni , Laurent Pinchart Subject: [PATCHv2 13/23] media: use sizeof() instead of V4L2_SUBDEV_NAME_SIZE Date: Sat, 23 Sep 2023 17:20:57 +0200 Message-Id: <20230923152107.283289-14-hverkuil-cisco@xs4all.nl> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230923152107.283289-1-hverkuil-cisco@xs4all.nl> References: <20230923152107.283289-1-hverkuil-cisco@xs4all.nl> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Don't rely on a define, let the compiler use the actual field size. Remove all uses of the V4L2_SUBDEV_NAME_SIZE define and also drop the define itself. Signed-off-by: Hans Verkuil Cc: Luca Ceresoli Cc: Maxime Ripard Cc: Niklas Söderlund Cc: Sowjanya Komatineni Cc: Laurent Pinchart Reviewed-by: Laurent Pinchart Reviewed-by: Niklas Söderlund Reviewed-by: Maxime Ripard Reviewed-by: Luca Ceresoli Tested-by: Luca Ceresoli # tegra-video VIP --- drivers/media/i2c/msp3400-driver.c | 2 +- drivers/media/platform/cadence/cdns-csi2rx.c | 4 ++-- drivers/media/platform/cadence/cdns-csi2tx.c | 4 ++-- drivers/media/platform/renesas/rcar-isp.c | 2 +- drivers/media/platform/renesas/rcar-vin/rcar-csi2.c | 2 +- drivers/media/platform/ti/omap3isp/ispstat.c | 2 +- drivers/staging/media/tegra-video/csi.c | 4 ++-- drivers/staging/media/tegra-video/vip.c | 2 +- include/media/v4l2-subdev.h | 4 +--- 9 files changed, 12 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/msp3400-driver.c b/drivers/media/i2c/msp3400-driver.c index bec76801487a..0ed8561edfee 100644 --- a/drivers/media/i2c/msp3400-driver.c +++ b/drivers/media/i2c/msp3400-driver.c @@ -561,7 +561,7 @@ static int msp_log_status(struct v4l2_subdev *sd) struct msp_state *state = to_state(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); const char *p; - char prefix[V4L2_SUBDEV_NAME_SIZE + 20]; + char prefix[sizeof(sd->name) + 20]; if (state->opmode == OPMODE_AUTOSELECT) msp_detect_stereo(client); diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c index 0d879d71d818..b9d9058e2ce3 100644 --- a/drivers/media/platform/cadence/cdns-csi2rx.c +++ b/drivers/media/platform/cadence/cdns-csi2rx.c @@ -516,8 +516,8 @@ static int csi2rx_probe(struct platform_device *pdev) csi2rx->subdev.dev = &pdev->dev; v4l2_subdev_init(&csi2rx->subdev, &csi2rx_subdev_ops); v4l2_set_subdevdata(&csi2rx->subdev, &pdev->dev); - snprintf(csi2rx->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s.%s", - KBUILD_MODNAME, dev_name(&pdev->dev)); + snprintf(csi2rx->subdev.name, sizeof(csi2rx->subdev.name), + "%s.%s", KBUILD_MODNAME, dev_name(&pdev->dev)); /* Create our media pads */ csi2rx->subdev.entity.function = MEDIA_ENT_F_VID_IF_BRIDGE; diff --git a/drivers/media/platform/cadence/cdns-csi2tx.c b/drivers/media/platform/cadence/cdns-csi2tx.c index cbbb77520112..c115742f347f 100644 --- a/drivers/media/platform/cadence/cdns-csi2tx.c +++ b/drivers/media/platform/cadence/cdns-csi2tx.c @@ -592,8 +592,8 @@ static int csi2tx_probe(struct platform_device *pdev) csi2tx->subdev.owner = THIS_MODULE; csi2tx->subdev.dev = &pdev->dev; csi2tx->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - snprintf(csi2tx->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s.%s", - KBUILD_MODNAME, dev_name(&pdev->dev)); + snprintf(csi2tx->subdev.name, sizeof(csi2tx->subdev.name), + "%s.%s", KBUILD_MODNAME, dev_name(&pdev->dev)); ret = csi2tx_check_lanes(csi2tx); if (ret) diff --git a/drivers/media/platform/renesas/rcar-isp.c b/drivers/media/platform/renesas/rcar-isp.c index 7360cf3863f2..19a005d83733 100644 --- a/drivers/media/platform/renesas/rcar-isp.c +++ b/drivers/media/platform/renesas/rcar-isp.c @@ -467,7 +467,7 @@ static int risp_probe(struct platform_device *pdev) isp->subdev.dev = &pdev->dev; v4l2_subdev_init(&isp->subdev, &rcar_isp_subdev_ops); v4l2_set_subdevdata(&isp->subdev, &pdev->dev); - snprintf(isp->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s %s", + snprintf(isp->subdev.name, sizeof(isp->subdev.name), "%s %s", KBUILD_MODNAME, dev_name(&pdev->dev)); isp->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE; diff --git a/drivers/media/platform/renesas/rcar-vin/rcar-csi2.c b/drivers/media/platform/renesas/rcar-vin/rcar-csi2.c index f6326df0b09b..66fe553a00e7 100644 --- a/drivers/media/platform/renesas/rcar-vin/rcar-csi2.c +++ b/drivers/media/platform/renesas/rcar-vin/rcar-csi2.c @@ -1889,7 +1889,7 @@ static int rcsi2_probe(struct platform_device *pdev) priv->subdev.dev = &pdev->dev; v4l2_subdev_init(&priv->subdev, &rcar_csi2_subdev_ops); v4l2_set_subdevdata(&priv->subdev, &pdev->dev); - snprintf(priv->subdev.name, V4L2_SUBDEV_NAME_SIZE, "%s %s", + snprintf(priv->subdev.name, sizeof(priv->subdev.name), "%s %s", KBUILD_MODNAME, dev_name(&pdev->dev)); priv->subdev.flags = V4L2_SUBDEV_FL_HAS_DEVNODE; diff --git a/drivers/media/platform/ti/omap3isp/ispstat.c b/drivers/media/platform/ti/omap3isp/ispstat.c index 68cf68dbcace..359a846205b0 100644 --- a/drivers/media/platform/ti/omap3isp/ispstat.c +++ b/drivers/media/platform/ti/omap3isp/ispstat.c @@ -1039,7 +1039,7 @@ static int isp_stat_init_entities(struct ispstat *stat, const char *name, struct media_entity *me = &subdev->entity; v4l2_subdev_init(subdev, sd_ops); - snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "OMAP3 ISP %s", name); + snprintf(subdev->name, sizeof(subdev->name), "OMAP3 ISP %s", name); subdev->grp_id = BIT(16); /* group ID for isp subdevs */ subdev->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; v4l2_set_subdevdata(subdev, stat); diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c index e79657920dc8..9aa72863c213 100644 --- a/drivers/staging/media/tegra-video/csi.c +++ b/drivers/staging/media/tegra-video/csi.c @@ -607,10 +607,10 @@ static int tegra_csi_channel_init(struct tegra_csi_channel *chan) v4l2_subdev_init(subdev, &tegra_csi_ops); subdev->dev = csi->dev; if (IS_ENABLED(CONFIG_VIDEO_TEGRA_TPG)) - snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "%s-%d", "tpg", + snprintf(subdev->name, sizeof(subdev->name), "%s-%d", "tpg", chan->csi_port_nums[0]); else - snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "%s", + snprintf(subdev->name, sizeof(subdev->name), "%s", kbasename(chan->of_node->full_name)); v4l2_set_subdevdata(subdev, chan); diff --git a/drivers/staging/media/tegra-video/vip.c b/drivers/staging/media/tegra-video/vip.c index 191ecd19a6a7..e95cc7bb190e 100644 --- a/drivers/staging/media/tegra-video/vip.c +++ b/drivers/staging/media/tegra-video/vip.c @@ -163,7 +163,7 @@ static int tegra_vip_channel_init(struct tegra_vip *vip) subdev = &vip->chan.subdev; v4l2_subdev_init(subdev, &tegra_vip_ops); subdev->dev = vip->dev; - snprintf(subdev->name, V4L2_SUBDEV_NAME_SIZE, "%s", + snprintf(subdev->name, sizeof(subdev->name), "%s", kbasename(vip->chan.of_node->full_name)); v4l2_set_subdevdata(subdev, &vip->chan); diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index 5711354056b9..c1f90c1223a7 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -951,8 +951,6 @@ struct v4l2_subdev_internal_ops { void (*release)(struct v4l2_subdev *sd); }; -#define V4L2_SUBDEV_NAME_SIZE 52 - /* Set this flag if this subdev is a i2c device. */ #define V4L2_SUBDEV_FL_IS_I2C (1U << 0) /* Set this flag if this subdev is a spi device. */ @@ -1062,7 +1060,7 @@ struct v4l2_subdev { const struct v4l2_subdev_ops *ops; const struct v4l2_subdev_internal_ops *internal_ops; struct v4l2_ctrl_handler *ctrl_handler; - char name[V4L2_SUBDEV_NAME_SIZE]; + char name[52]; u32 grp_id; void *dev_priv; void *host_priv;