From patchwork Fri Dec 22 16:35:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 182728 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:2483:b0:fb:cd0c:d3e with SMTP id q3csp1181092dyi; Fri, 22 Dec 2023 08:36:38 -0800 (PST) X-Google-Smtp-Source: AGHT+IEdUSkG3+RdHRXmjs1Jf8bCaWrmooEe4JJ6c0jh9T5JyjfEzIYXrD6N2NrTuDIXXRKA1nRO X-Received: by 2002:a17:902:cf41:b0:1d0:3fb3:9202 with SMTP id e1-20020a170902cf4100b001d03fb39202mr1478426plg.22.1703262997746; Fri, 22 Dec 2023 08:36:37 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1703262997; cv=none; d=google.com; s=arc-20160816; b=DgS6GCPFq0pM6Yo35hiwU5CraVUpo68qE+8pEZ08DOYAOiRu62PcdzBRw7FMNTwCa9 o/FNs+511BtgYV5bZOJTktmWp0OQGU/BBGNC8iJ7FLMU0NL3ifaxk/RrkqFx55bC8xem neOirdZTlO2+hts2pGnjnaoErEX4r3/Bz0n9PC1X3UYincUfN9bfOp+FlJ6p6ftO0k7V FHpYMmcXLLV7cX94AcfHcYEV0KpSmK4z5VC46ABN79V7d+sKhhY0pZe/ZMf7InadVBJy D+NwoNfdtrGxzQP5r+xvfa3ziFnewhaqtWTeIZsbgc3SrAq3vd3/Zdas9uKd115B0W3a 4drQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=ui-outboundreport:content-transfer-encoding:in-reply-to:references :cc:to:from:content-language:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=3h5e3Rjcx8AcqioVhPpjUHXzXpXJC/eyHEDiLizKzSA=; fh=PbmKTqAMiwN8an0IfvcRaTOiiqo7WnMkmwl1k/Fl2Mo=; b=KoOEMbl7bMOG1xtUlGcn5VxdTyO2VPJW4+bK+eUA/skKr7NmknCGVJ7Q7+ITlRE/cx KiXcSjIweu0PYHm7Y9e2iKuPrWgdh9iLZyLy+MU92G8BA9E+Iu5psJrScys8u0pueAgT 9ozwSXGr3TTb4MQOug1x9Eqv2vBHlzGYt4pqMhQUnVWz49DpjhJ6XW5SrF4DBI94GAOP i6QA2LJ4ZdjIusFdeoUu+drkA+5KT1oKRQIgs6oTRNbM1/sA4EQvKoI8+/RnRJ9f5I+c Tk0Yb2vCVsa6S7lcsgcV13SYZRie4/E9k973szUfCL5fvyMZyGgMBcsbRv8EMYj1Mmfk NPkw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=lDIg7aRD; spf=pass (google.com: domain of linux-kernel+bounces-9914-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-9914-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id n15-20020a170902d2cf00b001cfbd3f391bsi3482327plc.226.2023.12.22.08.36.36 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 22 Dec 2023 08:36:37 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-9914-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=lDIg7aRD; spf=pass (google.com: domain of linux-kernel+bounces-9914-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-9914-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id A425C282B95 for ; 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h=X-UI-Sender-Class:Date:Subject:From:To:Cc:References: In-Reply-To; b=lDIg7aRDDh34j6zbkdf6CqgXZBbESv7YKB2zqIgdiqT+uNNk8lY+hHNWweK2m1bO qz3APVm7iQlKX1IuG++i09NKEGz1o4/pNGa9317fvWM5jSt6hOEXFuR/B5C0G6Lh8 PKfNHa0kfs4S7GJVhqVKZiZ3q4xRb6+xGm9jBn35DXMSGf5dY0xwsN8pJRjeWYzdN MIfWmq/Ep5dWOLm5TK+y2gVWWoUZsPZYnqBsfIUazWw4SkGzMABoQsusNkl8dEZQb D0zEAeDH43DGeZPZAv4UDIsHfg9PWM+WE4dgW04SMkV+UpgFioVrF3tXxWvfjjLax DKY4+Hx54IdGSoEnNw== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MCol0-1rPTvW2oIC-009Ilg; Fri, 22 Dec 2023 17:35:54 +0100 Message-ID: <147ca1e6-69f3-4586-b5b3-b69f9574a862@web.de> Date: Fri, 22 Dec 2023 17:35:53 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 1/2] clk: imx: composite-8m: Less function calls in __imx8m_clk_hw_composite() after error detection Content-Language: en-GB From: Markus Elfring To: Abel Vesa , Fabio Estevam , Michael Turquette , Peng Fan , Sascha Hauer , Shawn Guo , Stephen Boyd , kernel@pengutronix.de, linux-imx@nxp.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-janitors@vger.kernel.org Cc: LKML , cocci@inria.fr References: <1d494176-2238-4430-bc26-4e4c78fe4ede@web.de> In-Reply-To: <1d494176-2238-4430-bc26-4e4c78fe4ede@web.de> X-Provags-ID: V03:K1:0VWpmmx7o1yt73QWfIGaaqlY5F4i6zRgEqXuglALwGa18bIXKW8 AOqDAUNW2Cjsz06QxmYHDoTBLM99qSfkA8gpV2Eep67T8N2XvumNoBvMSDZL+MVcICEknKr 8vh3ggCJemhW9bVcaXt9ybA+0LXlevWtdmdzBDNCUp3uslBto9tV0ddzLPIX7kIkd/LqhoU t1UQ7qde2xsX9YWyhSWCw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:uXnSM6Y3y2Y=;ZqW32hB+ptk2kYuDiM61wjVdQAm aL3BOWuDVDmj/GqfYIOBsNosFuxpsJAIF76ShhehyftRzyOf6yL5ej9V0Osq5eHdjvPbL0pYW 69y+VjNrOqLWmgi8elxKtmmlmx2dxH/kBvOYeSQQyqTyApK+rRRDlDgHwMO3kqzTgV0c19G3i HG2/5wIgQ1cUJmr8cQgqiMMR0nuYspFk6UVN3jJxiwBMMu+8AoPykeq7CGp+pfgJhms/Lm8oX PvssBnTr/X2ml35RXgK+pjW4l7Zl0GBgnl+sRv3M7pqhxkVPWWBY2+C9h6TtiOMjTJqhHDBYG hIs7zhMy4fLuwOKu0oX+KvqhLhvE2SlDuelguWgy8fCKlHIId/35lrgiu7WG0vGKv+Hil8cR+ l6vXjvpd6HKf8Klc6mUWg5SZjOB5QAe9Tsj5ip9+QWO46DNN6cPySxaXWL2f3I5euzw0QJjhV wCFqGq4oqy81Byb9nRUx6EVd1eQooS1AVRGrNf+elEl7N2nvPQxaeb1OGAzvRLl6t3bAFDb/0 JRtMWEgE59ziYYefEjIvex4DDgnx03Js86TG52IqI334FvTtp6RIK28Mkyo+dSfVsWIYp1Ow0 B4j1Z2RuLe4LwY0V4+hylU5M2QwFOCejlk7YSWydaSxEVKHBW/1CtLzYpRPjcOPESYxNCF5S1 +tyyF45iz0PlFvaz8QFSDuoqVGr9Zf8hfhMHXYw8qUglcG5B8Lfq5HPjk2npQoH+8+tIdptms HQIebkSco+YYHh3fCZOlKQWNcgNcvN6cV90LjKZWrmxmcxvknesnwFKQxbk/sROz9zoTcWOsV tbXYC+SuKi7RtOwpVWGF8bafesB3iRctdCLylup3wAFM2U4vMKNB0lDKbhn+eNjTdKjlE1kUV 7urRWbSX7kOfqglzfS3fNXVmV1pAmiU1nUpqYQ7ROr7xEBJ5eEPH2Ju8SQ9SdFA6hqC+EI6D4 I4p6rw== X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1786000700670576470 X-GMAIL-MSGID: 1786000700670576470 From: Markus Elfring Date: Fri, 22 Dec 2023 16:48:24 +0100 The function “kfree” was called in up to three cases by the function “__imx8m_clk_hw_composite” during error handling even if the passed variables contained a null pointer. Adjust jump targets according to the Linux coding style convention. Signed-off-by: Markus Elfring Reviewed-by: Peng Fan --- drivers/clk/imx/clk-composite-8m.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) -- 2.43.0 diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c index 27a08c50ac1d..eb5392f7a257 100644 --- a/drivers/clk/imx/clk-composite-8m.c +++ b/drivers/clk/imx/clk-composite-8m.c @@ -220,7 +220,7 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, mux = kzalloc(sizeof(*mux), GFP_KERNEL); if (!mux) - goto fail; + return ERR_CAST(hw); mux_hw = &mux->hw; mux->reg = reg; @@ -230,7 +230,7 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, div = kzalloc(sizeof(*div), GFP_KERNEL); if (!div) - goto fail; + goto free_mux; div_hw = &div->hw; div->reg = reg; @@ -260,7 +260,7 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, if (!mcore_booted) { gate = kzalloc(sizeof(*gate), GFP_KERNEL); if (!gate) - goto fail; + goto free_div; gate_hw = &gate->hw; gate->reg = reg; @@ -272,13 +272,15 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, mux_hw, mux_ops, div_hw, divider_ops, gate_hw, &clk_gate_ops, flags); if (IS_ERR(hw)) - goto fail; + goto free_gate; return hw; -fail: +free_gate: kfree(gate); +free_div: kfree(div); +free_mux: kfree(mux); return ERR_CAST(hw); } From patchwork Fri Dec 22 16:37:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Elfring X-Patchwork-Id: 182729 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:2483:b0:fb:cd0c:d3e with SMTP id q3csp1182482dyi; Fri, 22 Dec 2023 08:39:16 -0800 (PST) X-Google-Smtp-Source: AGHT+IF01au/+ck/sQFoQm08d15tUdLnPynJ5i8r6k1i07M+euRCMe0BoeBap6FQmdRCH693sbfE X-Received: by 2002:a17:902:f28b:b0:1d3:e6fc:6234 with SMTP id k11-20020a170902f28b00b001d3e6fc6234mr2600345plc.64.1703263156062; Fri, 22 Dec 2023 08:39:16 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1703263156; cv=none; d=google.com; s=arc-20160816; b=ZGiGLF7xHyf3Sji5hqgy1aOpiNh+TMY4u1SoGBf5s9jGvQiwNXJ+sQcmhHbJzW/rVv LTBR/2QsESOnRzfplngnBsQs3xtMLWErSDYXRI7QgxvkqyE9H3QsayiaMMy/3qTpOMkU xUCx5ae2NXNhOXRAWTIQ2jX+ibrcCbbk9JBoyBVAP9ERMV8KMnA8sn0oretFmTm3JNy0 DV/4M5laNRFCgZTYZC0hqJkDKMCOCMcLKLTDy9qWeOgQmynUKdmbHrUgDfnE/6LGvw4W QGa4v42+BspQ8ZNkHS0x7HIILsOdPsNh4WNstHMwqyHf/C4rWnzBNJS6hui3JJG9BiyN cnXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=ui-outboundreport:content-transfer-encoding:in-reply-to:references :cc:to:from:content-language:subject:user-agent:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:date:message-id :dkim-signature; bh=6w2QoILX7JeDhO3Qvr6hg2L7YBAxrRiIGGI0PsDQ4eY=; fh=PbmKTqAMiwN8an0IfvcRaTOiiqo7WnMkmwl1k/Fl2Mo=; b=OsMJYrYGj5fbOhe12xBPtYnMiGxwQyd4t4EZq7yS+Vx718V0JSHXBXkpR8ggvHNIKD ee+uLGr4aG5Kd5Cwruyk7j+XqhEzKrSmvNfLEDq6OcwqsbSDPkMYgD95CQtu5n1Q42EA epLlseedQvxocDCA0zbj459ZGbb1DFGb9xXHZ5+YkrCNR8VCXlf2Udv/L1nbfoCdN3Q6 uaMTv+hO5UZukJFEwoBuFv57kiVDaegsNj7zJiogKmEmiHAtiByhxycydjPX0i/V8dbp caGKRwcUQgpSVMGxfGs8dPJdY+ssCm2p7XaCelk7c2UJBZvY0qZlr+4XmIqwFxrropbx M4VQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@web.de header.s=s29768273 header.b=AKXU6OZL; spf=pass (google.com: domain of linux-kernel+bounces-9915-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-9915-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=web.de Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. 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h=X-UI-Sender-Class:Date:Subject:From:To:Cc:References: In-Reply-To; b=AKXU6OZLEN8VvHj8rNjOWKQyKiT0wyk1c4d7UmwymM6esWyG97jFAwalvuhYTx98 GeNBCXYHOnlMSH64LOXoHnXbhmFa8reXHRSfMsgBsm3RhXG43YP36oOKG18Q89B/C m8NT+f8zdUDdBiU0j7HdKifjpS9VgXwpFf7Q7dztF5z5UlsRCZgQx/OP7u9Il8SJI SLUoGRT9d2Tlgj70S9WUuetVelspUE9xv8PPgxd2CpCHQj4Sloz4y97agf+9Hv8t/ SVn30alM2FZlvDjgq5C6BnQbf5j4/C6vSIdL30gOtb/jGjXDyhpLjTJ+0GFOsJ6jy yjNU/wb81xVNLP5yew== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.85.95]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MXoYQ-1rmczK2fvQ-00YFjv; Fri, 22 Dec 2023 17:37:50 +0100 Message-ID: <6604590e-d0f7-4798-a1b9-b2f474f3a642@web.de> Date: Fri, 22 Dec 2023 17:37:49 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 2/2] clk: imx: composite-8m: Delete two unnecessary initialisations in __imx8m_clk_hw_composite() Content-Language: en-GB From: Markus Elfring To: Abel Vesa , Fabio Estevam , Michael Turquette , Peng Fan , Sascha Hauer , Shawn Guo , Stephen Boyd , kernel@pengutronix.de, linux-imx@nxp.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel-janitors@vger.kernel.org Cc: LKML , cocci@inria.fr References: <1d494176-2238-4430-bc26-4e4c78fe4ede@web.de> In-Reply-To: <1d494176-2238-4430-bc26-4e4c78fe4ede@web.de> X-Provags-ID: V03:K1:D+hRhIGTK8aStCOJ4/CTmR4XIynD0hvKNWsh/EXmXF5nGjX+fKy L1EIRb2Q/nJZKSH9LASVJyHGxATwbJMQKr4C8ZHDxTcdmoiwNBHHGD6dBHT++3Ige5U6L9J YbxrIKRvcckfvescYp7Sfekcy+soKVrs0KE++hlOa+MZVrmTMgtl3Mlkndhwn8/WJhM1FHd f0eySxAgXj3/ZW03A8HXw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:SujinENInQQ=;w2IzoUAeX5pp8p2u84Zb/qKh2i9 zBTq3+IRxhpwyqD4mK24y6zREu8WH/sj+rZdtGcnwAdw04meKlf4kqwF0Iae36C9otmkC6PSF 6uH6/7WlQRROqsXja8ax4rV1WY+ps4vtTZty7Hg+LGQZC8VWiIkV/uLwwZWy5spzWEV/OtX5g c0LVw+Vcz4kgTKQsbIcUVu34PLFtGfT5XUw7QCQlHeXU0C+zGFSjpL63l4N6uWk94LXKGyl2U fJV95dcDIjAejovxCHXOQHzXwDC5KCiaQSiE9TytieEk253ulVOQwmJnKEry7CwLLNrBNa7AN NFxE88sF2K0OubysXPVdJg5osqmG5tYNpCHbyBFr9xN9wcvdF6puV/g9jbInLwVBEvp6aurfS epr1Rniscpo9OhUz+SHsGf9nZzrqUuzs/yw/0FwWfmm+n1ONwI4vkD/AO73Ws9u+lYgudGSDg mXujF8s3duJcI4dsj6GnE5lROfB6B7268S4NW5GeQkHJhIf0kBVTEee2MqMR+NhnH+lLyB+E+ GbARBgokg9V0+cNh0TA3cxrKOCh48rJK10qd9QmHdcpBzWYtNfKzyWvvZI5vaibnDXZIf8g1Z C7+gVBolPfP65ESBfje7TFqR8VsxW3ueO0TrwICuqzDoeSSm/ge05WzFwJSYj3lecAznkTYs0 GYsTXsAiK0+ex9/OmZgQwzXTf3r0v6nXjpvw2W//NVi2+pzy/ghLB7k/AIZvUYjK1DlAAYqFM JjGg3FukiwaajfbZHRQoyoziibI1ruaFuTycSJgQGvz21LVf4ZwU+99nkcKxMTAVdrvltEutS YO8u6EytTiyS49mqTfr/misIK1puqMoz71K4thAo0NwQ81CRyqXE9PaSONxS+AZuvTVbQZIxD EIRaSjpMpacbk1PPVwd75LRlZ5DPZgsI1HgWZHcqcwJ2mghmreqeF7jUymx4IivU8qVNlx0KX nkXBOg== X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1786000867284708905 X-GMAIL-MSGID: 1786000867284708905 From: Markus Elfring Date: Fri, 22 Dec 2023 17:11:03 +0100 Two local variables will eventually be set to appropriate pointers a bit later. Thus omit the explicit initialisation at the beginning. Signed-off-by: Markus Elfring Reviewed-by: Peng Fan --- drivers/clk/imx/clk-composite-8m.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) -- 2.43.0 diff --git a/drivers/clk/imx/clk-composite-8m.c b/drivers/clk/imx/clk-composite-8m.c index eb5392f7a257..8cc07d056a83 100644 --- a/drivers/clk/imx/clk-composite-8m.c +++ b/drivers/clk/imx/clk-composite-8m.c @@ -212,9 +212,9 @@ struct clk_hw *__imx8m_clk_hw_composite(const char *name, { struct clk_hw *hw = ERR_PTR(-ENOMEM), *mux_hw; struct clk_hw *div_hw, *gate_hw = NULL; - struct clk_divider *div = NULL; + struct clk_divider *div; struct clk_gate *gate = NULL; - struct clk_mux *mux = NULL; + struct clk_mux *mux; const struct clk_ops *divider_ops; const struct clk_ops *mux_ops;