From patchwork Fri Jan 4 05:11:17 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lad, Prabhakar" X-Patchwork-Id: 1930921 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 705F140AF6 for ; Fri, 4 Jan 2013 05:12:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751410Ab3ADFL6 (ORCPT ); Fri, 4 Jan 2013 00:11:58 -0500 Received: from mail-pb0-f42.google.com ([209.85.160.42]:52103 "EHLO mail-pb0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750837Ab3ADFLy (ORCPT ); Fri, 4 Jan 2013 00:11:54 -0500 Received: by mail-pb0-f42.google.com with SMTP id rp2so8993114pbb.1 for ; Thu, 03 Jan 2013 21:11:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=MaNGRuK9AgKloM/WKlhOiLcNb5dW8sE0oX4Krt2b/SQ=; b=xpHtaUVioCHi0L6s3SQAnljD36ERCyi1k/HRI0o5iBS2NGqj7t+XTmo4zcgKa4AQIy 8da+GZxUar0ex8pemLvjuGXiM6y3YsPjnCuEec65rtSqqvAnnqOsj2Lz4iSE9ccV4SmS 1za1VrBNI+LjoBqSJ0pyrxrNM5nhtkzZK9PaWG9cCOw9SF5y+E4e6LAGPDp7hmGpZDxP 70c6z5RafiA5dM5IWuSWlmrCmFwqr/p19mqvcEoNWHhcB0ikis5NR9V4Hes50scSuUQI Jmt7WyEEk7JhjK7kUGTHDxsxEceLVbk6lmt2H3+G46S8gJo+g6cCtl5VtZ9/B2GF/BLN 6Hlw== X-Received: by 10.68.197.9 with SMTP id iq9mr157454561pbc.130.1357276313343; Thu, 03 Jan 2013 21:11:53 -0800 (PST) Received: from localhost.localdomain ([122.166.13.141]) by mx.google.com with ESMTPS id w5sm32501182pax.28.2013.01.03.21.11.49 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 03 Jan 2013 21:11:52 -0800 (PST) From: "Lad, Prabhakar" To: LMML Cc: LKML , Mauro Carvalho Chehab , Laurent Pinchart , Hans Verkuil , "Lad, Prabhakar" , Manjunath Hadli Subject: [PATCH v2] tvp7002: use devm_kzalloc() instead of kzalloc() Date: Fri, 4 Jan 2013 10:41:17 +0530 Message-Id: <1357276277-21812-3-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1357276277-21812-1-git-send-email-prabhakar.lad@ti.com> References: <1357276277-21812-1-git-send-email-prabhakar.lad@ti.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so simplifies their clean up paths. Signed-off-by: Lad, Prabhakar Signed-off-by: Manjunath Hadli --- Changes for v2: 1: Fixed comments pointed out by Laurent. drivers/media/i2c/tvp7002.c | 18 ++++++------------ 1 files changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/media/i2c/tvp7002.c b/drivers/media/i2c/tvp7002.c index fb6a5b5..537f6b4 100644 --- a/drivers/media/i2c/tvp7002.c +++ b/drivers/media/i2c/tvp7002.c @@ -1036,7 +1036,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id) return -ENODEV; } - device = kzalloc(sizeof(struct tvp7002), GFP_KERNEL); + device = devm_kzalloc(&c->dev, sizeof(struct tvp7002), GFP_KERNEL); if (!device) return -ENOMEM; @@ -1052,7 +1052,7 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id) error = tvp7002_read(sd, TVP7002_CHIP_REV, &revision); if (error < 0) - goto found_error; + return error; /* Get revision number */ v4l2_info(sd, "Rev. %02x detected.\n", revision); @@ -1063,21 +1063,21 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id) error = tvp7002_write_inittab(sd, tvp7002_init_default); if (error < 0) - goto found_error; + return error; /* Set polarity information after registers have been set */ polarity_a = 0x20 | device->pdata->hs_polarity << 5 | device->pdata->vs_polarity << 2; error = tvp7002_write(sd, TVP7002_SYNC_CTL_1, polarity_a); if (error < 0) - goto found_error; + return error; polarity_b = 0x01 | device->pdata->fid_polarity << 2 | device->pdata->sog_polarity << 1 | device->pdata->clk_polarity; error = tvp7002_write(sd, TVP7002_MISC_CTL_3, polarity_b); if (error < 0) - goto found_error; + return error; /* Set registers according to default video mode */ preset.preset = device->current_preset->preset; @@ -1091,16 +1091,11 @@ static int tvp7002_probe(struct i2c_client *c, const struct i2c_device_id *id) int err = device->hdl.error; v4l2_ctrl_handler_free(&device->hdl); - kfree(device); return err; } v4l2_ctrl_handler_setup(&device->hdl); -found_error: - if (error < 0) - kfree(device); - - return error; + return 0; } /* @@ -1120,7 +1115,6 @@ static int tvp7002_remove(struct i2c_client *c) v4l2_device_unregister_subdev(sd); v4l2_ctrl_handler_free(&device->hdl); - kfree(device); return 0; }