linux-kernel - [PATCH] drivers/ata/pata_mpc52xx.c: add missing kfree

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Message-Id: <1331402199-8000-1-git-send-email-Julia.Lawall@lip6.fr>
Date:	Sat, 10 Mar 2012 18:56:39 +0100
From:	Julia Lawall <Julia.Lawall@...6.fr>
To:	Jeff Garzik <jgarzik@...ox.com>
Cc:	kernel-janitors@...r.kernel.org,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree-discuss@...ts.ozlabs.org
Subject: [PATCH] drivers/ata/pata_mpc52xx.c: add missing kfree

From: Julia Lawall <Julia.Lawall@...6.fr>

There is no need to call the devm cleanup functions on failure of a probe
or remove function.

Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>

---
 drivers/ata/pata_mpc52xx.c |   11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c
index 00748ae..1f02008 100644
--- a/drivers/ata/pata_mpc52xx.c
+++ b/drivers/ata/pata_mpc52xx.c
@@ -806,17 +806,12 @@ mpc52xx_ata_probe(struct platform_device *op)
 	return 0;
 
  err:
-	devm_release_mem_region(&op->dev, res_mem.start, sizeof(*ata_regs));
 	if (ata_irq)
 		irq_dispose_mapping(ata_irq);
 	if (task_irq)
 		irq_dispose_mapping(task_irq);
 	if (dmatsk)
 		bcom_ata_release(dmatsk);
-	if (ata_regs)
-		devm_iounmap(&op->dev, ata_regs);
-	if (priv)
-		devm_kfree(&op->dev, priv);
 	return rv;
 }
 
@@ -835,12 +830,6 @@ mpc52xx_ata_remove(struct platform_device *op)
 	bcom_ata_release(priv->dmatsk);
 	irq_dispose_mapping(priv->ata_irq);
 
-	/* Clear up IO allocations */
-	devm_iounmap(&op->dev, priv->ata_regs);
-	devm_release_mem_region(&op->dev, priv->ata_regs_pa,
-				sizeof(*priv->ata_regs));
-	devm_kfree(&op->dev, priv);
-
 	return 0;
 }
 

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