linux-kernel - [PATCH -next] ASoC: mid-x86: add missing iounmap() to probe error and remove

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Date:	Mon, 13 May 2013 17:00:44 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	lgirdwood@...il.com, broonie@...nel.org, perex@...ex.cz,
	tiwai@...e.de, wfp5p@...ginia.edu, vinod.koul@...ux.intel.com,
	ramesh.babu@...el.com, namartax.kohli@...el.com
Cc:	yongjun_wei@...ndmicro.com.cn, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH -next] ASoC: mid-x86: add missing iounmap() to probe error and remove

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Add the missing iounmap() before return from snd_mfld_mc_probe()
in the error handling case and to snd_mfld_mc_remove().

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 sound/soc/mid-x86/mfld_machine.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/mid-x86/mfld_machine.c b/sound/soc/mid-x86/mfld_machine.c
index 78d5825..8206e84 100644
--- a/sound/soc/mid-x86/mfld_machine.c
+++ b/sound/soc/mid-x86/mfld_machine.c
@@ -397,7 +397,7 @@ static int snd_mfld_mc_probe(struct platform_device *pdev)
 			IRQF_SHARED, pdev->dev.driver->name, mc_drv_ctx);
 	if (ret_val) {
 		pr_err("cannot register IRQ\n");
-		goto unalloc;
+		goto unmap;
 	}
 	/* register the soc card */
 	snd_soc_card_mfld.dev = &pdev->dev;
@@ -412,6 +412,8 @@ static int snd_mfld_mc_probe(struct platform_device *pdev)
 
 freeirq:
 	free_irq(irq, mc_drv_ctx);
+unmap:
+	iounmap(mc_drv_ctx->int_base);
 unalloc:
 	kfree(mc_drv_ctx);
 	return ret_val;
@@ -424,6 +426,7 @@ static int snd_mfld_mc_remove(struct platform_device *pdev)
 	pr_debug("snd_mfld_mc_remove called\n");
 	free_irq(platform_get_irq(pdev, 0), mc_drv_ctx);
 	snd_soc_unregister_card(&snd_soc_card_mfld);
+	iounmap(mc_drv_ctx->int_base);
 	kfree(mc_drv_ctx);
 	return 0;
 }

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