2020-11-20 08:44:48

by Alexandru Ardelean

[permalink] [raw]
Subject: [PATCH 3/3] uio: uio_netx: use devm_kzalloc() for or uio_info object

This change uses the devm_kzalloc() function to tie the life-time of the
uio_info object to PCI device. This cleans up the exit & error path a bit.

Signed-off-by: Alexandru Ardelean <[email protected]>
---
drivers/uio/uio_netx.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/uio/uio_netx.c b/drivers/uio/uio_netx.c
index 9ae29ffde410..2319d6de8d04 100644
--- a/drivers/uio/uio_netx.c
+++ b/drivers/uio/uio_netx.c
@@ -53,12 +53,12 @@ static int netx_pci_probe(struct pci_dev *dev,
struct uio_info *info;
int bar;

- info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+ info = devm_kzalloc(&dev->dev, sizeof(struct uio_info), GFP_KERNEL);
if (!info)
return -ENOMEM;

if (pci_enable_device(dev))
- goto out_free;
+ return -ENODEV;

if (pci_request_regions(dev, "netx"))
goto out_disable;
@@ -112,8 +112,6 @@ static int netx_pci_probe(struct pci_dev *dev,
pci_release_regions(dev);
out_disable:
pci_disable_device(dev);
-out_free:
- kfree(info);
return -ENODEV;
}

@@ -127,8 +125,6 @@ static void netx_pci_remove(struct pci_dev *dev)
pci_release_regions(dev);
pci_disable_device(dev);
iounmap(info->mem[0].internal_addr);
-
- kfree(info);
}

static struct pci_device_id netx_pci_ids[] = {
--
2.27.0