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drivers/nfc/nfcwilink.c: use devm_kzalloc

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devm_kzalloc allocates memory that is released when a driver detaches.
This patch uses devm_kzalloc for data that is allocated in the probe
function of a platform device and is only freed in the remove function.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Julia Lawall
2012-12-06 23:10:40 +01:00
committed by John W. Linville
parent e93d083f42
commit 29b7d9ad91
1 changed files with 2 additions and 7 deletions
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drivers/nfc/nfcwilink.c
+2 -7
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@@ -526,7 +526,7 @@ static int nfcwilink_probe(struct platform_device *pdev)
nfc_dev_dbg(&pdev->dev, "probe entry");
drv = kzalloc(sizeof(struct nfcwilink), GFP_KERNEL);
drv = devm_kzalloc(&pdev->dev, sizeof(struct nfcwilink), GFP_KERNEL);
if (!drv) {
rc = -ENOMEM;
goto exit;
@@ -547,7 +547,7 @@ static int nfcwilink_probe(struct platform_device *pdev)
if (!drv->ndev) {
nfc_dev_err(&pdev->dev, "nci_allocate_device failed");
rc = -ENOMEM;
goto free_exit;
goto exit;
}
nci_set_parent_dev(drv->ndev, &pdev->dev);
@@ -566,9 +566,6 @@ static int nfcwilink_probe(struct platform_device *pdev)
free_dev_exit:
nci_free_device(drv->ndev);
free_exit:
kfree(drv);
exit:
return rc;
}
@@ -588,8 +585,6 @@ static int nfcwilink_remove(struct platform_device *pdev)
nci_unregister_device(ndev);
nci_free_device(ndev);
kfree(drv);
dev_set_drvdata(&pdev->dev, NULL);
return 0;