From 39e69f55f85731d9c0320c03212a4d1f149464f0 Mon Sep 17 00:00:00 2001 From: Himangi Saraogi Date: Tue, 27 May 2014 01:51:31 +0530 Subject: [PATCH] powerpc: Introduce the use of the managed version of kzalloc This patch moves data allocated using kzalloc to managed data allocated using devm_kzalloc and cleans now unnecessary kfree in probe function. The following Coccinelle semantic patch was used for making the change: @platform@ identifier p, probefn, removefn; @@ struct platform_driver p = { .probe = probefn, .remove = removefn, }; @prb@ identifier platform.probefn, pdev; expression e, e1, e2; @@ probefn(struct platform_device *pdev, ...) { <+... - e = kzalloc(e1, e2) + e = devm_kzalloc(&pdev->dev, e1, e2) ... ?-kfree(e); ...+> } Signed-off-by: Himangi Saraogi Acked-by: Julia Lawall Signed-off-by: Anatolij Gustschin --- arch/powerpc/platforms/52xx/mpc52xx_gpt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 78ac19aefa4d..3048e34db6d8 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -724,7 +724,7 @@ static int mpc52xx_gpt_probe(struct platform_device *ofdev) { struct mpc52xx_gpt_priv *gpt; - gpt = kzalloc(sizeof *gpt, GFP_KERNEL); + gpt = devm_kzalloc(&ofdev->dev, sizeof *gpt, GFP_KERNEL); if (!gpt) return -ENOMEM; @@ -732,10 +732,8 @@ static int mpc52xx_gpt_probe(struct platform_device *ofdev) gpt->dev = &ofdev->dev; gpt->ipb_freq = mpc5xxx_get_bus_frequency(ofdev->dev.of_node); gpt->regs = of_iomap(ofdev->dev.of_node, 0); - if (!gpt->regs) { - kfree(gpt); + if (!gpt->regs) return -ENOMEM; - } dev_set_drvdata(&ofdev->dev, gpt); -- 2.39.2