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mtd: docg3: Use devm_*() functions

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Use devm_*() functions to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Jingoo Han 2013-12-26 10:40:52 +09:00 committed by Brian Norris
parent 30b2afc847
commit 82402aeb8c
1 changed files with 6 additions and 14 deletions
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20
drivers/mtd/devices/docg3.c
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@ -2047,21 +2047,21 @@ static int __init docg3_probe(struct platform_device *pdev)
ress = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!ress) {
dev_err(dev, "No I/O memory resource defined\n");
goto noress;
return ret;
}
base = ioremap(ress->start, DOC_IOSPACE_SIZE);
base = devm_ioremap(dev, ress->start, DOC_IOSPACE_SIZE);
ret = -ENOMEM;
cascade = kzalloc(sizeof(*cascade) * DOC_MAX_NBFLOORS,
GFP_KERNEL);
cascade = devm_kzalloc(dev, sizeof(*cascade) * DOC_MAX_NBFLOORS,
GFP_KERNEL);
if (!cascade)
goto nomem1;
return ret;
cascade->base = base;
mutex_init(&cascade->lock);
cascade->bch = init_bch(DOC_ECC_BCH_M, DOC_ECC_BCH_T,
DOC_ECC_BCH_PRIMPOLY);
if (!cascade->bch)
goto nomem2;
return ret;
for (floor = 0; floor < DOC_MAX_NBFLOORS; floor++) {
mtd = doc_probe_device(cascade, floor, dev);
@ -2101,11 +2101,6 @@ static int __init docg3_probe(struct platform_device *pdev)
for (floor = 0; floor < DOC_MAX_NBFLOORS; floor++)
if (cascade->floors[floor])
doc_release_device(cascade->floors[floor]);
nomem2:
kfree(cascade);
nomem1:
iounmap(base);
noress:
return ret;
}
@ -2119,7 +2114,6 @@ static int __exit docg3_release(struct platform_device *pdev)
{
struct docg3_cascade *cascade = platform_get_drvdata(pdev);
struct docg3 *docg3 = cascade->floors[0]->priv;
void __iomem *base = cascade->base;
int floor;
doc_unregister_sysfs(pdev, cascade);
@ -2129,8 +2123,6 @@ static int __exit docg3_release(struct platform_device *pdev)
doc_release_device(cascade->floors[floor]);
free_bch(docg3->cascade->bch);
kfree(cascade);
iounmap(base);
return 0;
}