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uio: uio_aec: use devm_kzalloc() for uio_info object 

The uio_info object is free'd last, so it's life-time is tied PCI device
object. Using devm_kzalloc() cleans up the error path a bit and the exit
path.

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201119154903.82099-2-alexandru.ardelean@analog.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexandru Ardelean 2020-11-19 17:49:01 +02:00 committed by Greg Kroah-Hartman
parent 0a4ade5397
commit 16d546c42d
1 changed files with 2 additions and 6 deletions
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8
drivers/uio/uio_aec.c
View File

@ -71,12 +71,12 @@ static int probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct uio_info *info;
int ret;
info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
info = devm_kzalloc(&pdev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;
if (pci_enable_device(pdev))
goto out_free;
return -ENODEV;
if (pci_request_regions(pdev, "aectc"))
goto out_disable;
@ -117,8 +117,6 @@ out_release:
pci_release_regions(pdev);
out_disable:
pci_disable_device(pdev);
out_free:
kfree(info);
return -ENODEV;
}
@ -136,8 +134,6 @@ static void remove(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_disable_device(pdev);
iounmap(info->priv);
kfree(info);
}
static struct pci_driver pci_driver = {