From patchwork Tue Jan 18 09:20:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 532991 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 60BFCC433F5 for ; Tue, 18 Jan 2022 09:20:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240719AbiARJUR (ORCPT ); Tue, 18 Jan 2022 04:20:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41726 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240743AbiARJUL (ORCPT ); Tue, 18 Jan 2022 04:20:11 -0500 Received: from mail-pl1-x62a.google.com (mail-pl1-x62a.google.com [IPv6:2607:f8b0:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E20EC061574 for ; Tue, 18 Jan 2022 01:20:11 -0800 (PST) Received: by mail-pl1-x62a.google.com with SMTP id a7so21045595plh.1 for ; Tue, 18 Jan 2022 01:20:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=3q9wkMinheXrqXy/yp63auEPN8EtJaQhX9gCBlzKxgs=; b=aK2MDPeSWHHwrY//afMrQLweMQ/RyKgAzoZfk/ZzlXXfqJg6DzJjaAF7Afq6nR6xKn FA0J3a1IxoYd4QbSJXwdD+TS1H2RCzNXzWIhJbsXnkcnpL0zUEZEr7rTiOSRrm9cyMb4 uiWExIlSi++fDL7WGEZ8vh5ANpKjA5VmhH0Jg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3q9wkMinheXrqXy/yp63auEPN8EtJaQhX9gCBlzKxgs=; b=3snqhOxgwsA2Qd5rt8jZFA4QYm5YAvMfpEP2fWY+mUuJUoAVGJhx7m+zK3QFrIjfe5 13Ijnoug5u2iWIQt+m7k9msScPOVjllscVl1onHIInoMM3+j+Yf2AIVmAUEg9QvPhIey XdiUyyX0RI6QZqHQngO20xtEuwMMTmECqtT7uqT/YFGamBFACDRQP+kiJRFBFfNl8Ws6 XnMVouXllRfESH6PW689JbavhxZE+xD5mgMXWw42Q7R/MmZDip7YRp126NfKctiRdS8v Q+3a6eqX9NWMarH8WVCwSfKkOCDfsy0qpwr0HEkKJtdMjHuN70Frtrf8a1aKgbLFvZdS ZJrw== X-Gm-Message-State: AOAM533BRCCLjv6EH6XJiKicK0u0cly8D0gGHcFoGmbff80s0oI0YdC2 3aN5LbPkkKZc9GX+/QBkrO4njw== X-Google-Smtp-Source: ABdhPJzUUIoYrADArPB2qee5422yaGuvsUv4wN5fx07v7yPnixxhBxxfZXpwkmV8u8H984h7eE2TtA== X-Received: by 2002:a17:90a:380b:: with SMTP id w11mr29582367pjb.113.1642497610547; Tue, 18 Jan 2022 01:20:10 -0800 (PST) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:4448:8072:97f1:64dd]) by smtp.gmail.com with ESMTPSA id y1sm14691501pgs.4.2022.01.18.01.20.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Jan 2022 01:20:10 -0800 (PST) From: Hsin-Yi Wang To: Robert Foss , Rob Herring , Xin Ji Cc: David Airlie , Daniel Vetter , Laurent Pinchart , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Andrzej Hajda , Neil Armstrong , Jonas Karlman , Jernej Skrabec , Sam Ravnborg , Maxime Ripard Subject: [PATCH v4 2/4] drm/bridge: anx7625: Convert to use devm_kzalloc Date: Tue, 18 Jan 2022 17:20:00 +0800 Message-Id: <20220118092002.4267-2-hsinyi@chromium.org> X-Mailer: git-send-email 2.34.1.703.g22d0c6ccf7-goog In-Reply-To: <20220118092002.4267-1-hsinyi@chromium.org> References: <20220118092002.4267-1-hsinyi@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Use devm_kzalloc instead of kzalloc and drop kfree(). Let the memory handled by driver detach. Signed-off-by: Hsin-Yi Wang Reviewed-by: Xin Ji --- v2->v3: remove kfree() in anx7625_i2c_remove(). --- drivers/gpu/drm/bridge/analogix/anx7625.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 17b23940549a42..b7e3373994b480 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -2515,7 +2515,7 @@ static int anx7625_i2c_probe(struct i2c_client *client, return -ENODEV; } - platform = kzalloc(sizeof(*platform), GFP_KERNEL); + platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL); if (!platform) { DRM_DEV_ERROR(dev, "fail to allocate driver data\n"); return -ENOMEM; @@ -2527,7 +2527,7 @@ static int anx7625_i2c_probe(struct i2c_client *client, if (ret) { if (ret != -EPROBE_DEFER) DRM_DEV_ERROR(dev, "fail to parse DT : %d\n", ret); - goto free_platform; + return ret; } platform->client = client; @@ -2552,7 +2552,7 @@ static int anx7625_i2c_probe(struct i2c_client *client, if (!platform->hdcp_workqueue) { dev_err(dev, "fail to create work queue\n"); ret = -ENOMEM; - goto free_platform; + return ret; } platform->pdata.intp_irq = client->irq; @@ -2637,9 +2637,6 @@ static int anx7625_i2c_probe(struct i2c_client *client, if (platform->hdcp_workqueue) destroy_workqueue(platform->hdcp_workqueue); -free_platform: - kfree(platform); - return ret; } @@ -2666,7 +2663,6 @@ static int anx7625_i2c_remove(struct i2c_client *client) if (platform->pdata.audio_en) anx7625_unregister_audio(platform); - kfree(platform); return 0; }