From patchwork Thu May 16 20:35:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 2579971 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) by patchwork1.kernel.org (Postfix) with ESMTP id 31AAD3FE1F for ; Thu, 16 May 2013 20:35:48 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ud4tt-0007YT-K7; Thu, 16 May 2013 20:35:45 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ud4tq-0005Gc-A0; Thu, 16 May 2013 20:35:42 +0000 Received: from caramon.arm.linux.org.uk ([78.32.30.218]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ud4tn-0005Fa-5s for linux-arm-kernel@lists.infradead.org; Thu, 16 May 2013 20:35:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=caramon; h=Date:Sender:Message-Id:Subject:Cc:To:From:References:In-Reply-To; bh=tYvAnxrXWj7E74gSPVid8H34aIars93XjB3SMIzKe0E=; b=R6+C4ESK6jG+CQj33d+D1jy6+k4j42jtTpHbCDo890a+ETAXwIGtOsLZUJ+y67IJczNC4W3y9isv3Ufjpy9Nec5iHX/TCQUZZUKSaEI2FW82nMsQy9BHnknu+oaAewDSF1Hrck/WmNVOzawfPiZQA27Cc6cQ7cxEXnabV2fIwtI=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2002:4e20:1eda:1:222:68ff:fe15:37dd]:34840 helo=rmk-PC.arm.linux.org.uk) by caramon.arm.linux.org.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.76) (envelope-from ) id 1Ud4tL-00080z-KU; Thu, 16 May 2013 21:35:11 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.76) (envelope-from ) id 1Ud4tK-0004Jo-Ik; Thu, 16 May 2013 21:35:10 +0100 In-Reply-To: <20130516202921.GW18614@n2100.arm.linux.org.uk> References: <20130516202921.GW18614@n2100.arm.linux.org.uk> From: Russell King To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/9] I2C: mv64xxx: use devm_kzalloc() Message-Id: Date: Thu, 16 May 2013 21:35:10 +0100 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130516_163539_572217_C2D0BC0C X-CRM114-Status: GOOD ( 12.57 ) X-Spam-Score: -4.9 (----) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-4.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [78.32.30.218 listed in list.dnswl.org] -0.6 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature Cc: Jason Cooper , Wolfram Sang , "Mark A. Greer" , linux-i2c@vger.kernel.org, "Ben Dooks \(embedded platforms\)" , Sebastian Hesselbarth X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org As we're changing to using devm_* APIs to fix various problems in this driver, lets also do devm_kzalloc() while we're here too. Signed-off-by: Russell King --- drivers/i2c/busses/i2c-mv64xxx.c | 24 ++++++++++-------------- 1 files changed, 10 insertions(+), 14 deletions(-) diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 0b4da77..841792f 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -580,16 +580,15 @@ mv64xxx_i2c_probe(struct platform_device *pd) if ((!pdata && !pd->dev.of_node)) return -ENODEV; - drv_data = kzalloc(sizeof(struct mv64xxx_i2c_data), GFP_KERNEL); + drv_data = devm_kzalloc(&pd->dev, sizeof(struct mv64xxx_i2c_data), + GFP_KERNEL); if (!drv_data) return -ENOMEM; r = platform_get_resource(pd, IORESOURCE_MEM, 0); drv_data->reg_base = devm_ioremap_resource(&pd->dev, r); - if (IS_ERR(drv_data->reg_base)) { - rc = PTR_ERR(drv_data->reg_base); - goto exit_kfree; - } + if (IS_ERR(drv_data->reg_base)) + return PTR_ERR(drv_data->reg_base); strlcpy(drv_data->adapter.name, MV64XXX_I2C_CTLR_NAME " adapter", sizeof(drv_data->adapter.name)); @@ -613,11 +612,11 @@ mv64xxx_i2c_probe(struct platform_device *pd) } else if (pd->dev.of_node) { rc = mv64xxx_of_config(drv_data, pd->dev.of_node); if (rc) - goto exit_unmap_regs; + goto exit_clk; } if (drv_data->irq < 0) { rc = -ENXIO; - goto exit_unmap_regs; + goto exit_clk; } drv_data->adapter.dev.parent = &pd->dev; @@ -637,7 +636,7 @@ mv64xxx_i2c_probe(struct platform_device *pd) "mv64xxx: Can't register intr handler irq: %d\n", drv_data->irq); rc = -EINVAL; - goto exit_unmap_regs; + goto exit_clk; } else if ((rc = i2c_add_numbered_adapter(&drv_data->adapter)) != 0) { dev_err(&drv_data->adapter.dev, "mv64xxx: Can't add i2c adapter, rc: %d\n", -rc); @@ -648,9 +647,9 @@ mv64xxx_i2c_probe(struct platform_device *pd) return 0; - exit_free_irq: - free_irq(drv_data->irq, drv_data); - exit_unmap_regs: +exit_free_irq: + free_irq(drv_data->irq, drv_data); +exit_clk: #if defined(CONFIG_HAVE_CLK) /* Not all platforms have a clk */ if (!IS_ERR(drv_data->clk)) { @@ -658,8 +657,6 @@ mv64xxx_i2c_probe(struct platform_device *pd) clk_unprepare(drv_data->clk); } #endif - exit_kfree: - kfree(drv_data); return rc; } @@ -678,7 +675,6 @@ mv64xxx_i2c_remove(struct platform_device *dev) clk_unprepare(drv_data->clk); } #endif - kfree(drv_data); return rc; }