From 16d546c42db5d9ea91e4d9d3bde5e80eb0cf6bf8 Mon Sep 17 00:00:00 2001
From: Alexandru Ardelean <alexandru.ardelean@analog.com>
Date: Thu, 19 Nov 2020 17:49:01 +0200
Subject: [PATCH] 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>
---
drivers/uio/uio_aec.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/uio/uio_aec.c b/drivers/uio/uio_aec.c
index 381a26dfac46a..32357f8a92b52 100644
--- a/drivers/uio/uio_aec.c
+++ b/drivers/uio/uio_aec.c
@@ -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 = {
--
2.30.2