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authorJulia Lawall <Julia.Lawall@lip6.fr>2012-12-06 23:10:40 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2013-01-10 00:51:47 +0100
commit5f4d6214ef5e9b1ff6a72ddfa387c1d72adfac98 (patch)
tree66575b6bd2294fdeb4f007486bfdead5991b74ee /drivers/nfc
parent9e2d493e74aca105aa86de56dbf80a0a654c4c53 (diff)
NFC: nfcwilink: Use devm_kzalloc
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: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/nfc')
-rw-r--r--drivers/nfc/nfcwilink.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c
index 50b1ee41afc6..c7c182d2b7df 100644
--- a/drivers/nfc/nfcwilink.c
+++ b/drivers/nfc/nfcwilink.c
@@ -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;