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| author | Alexandru Ardelean <alexandru.ardelean@analog.com> | 2020-11-19 17:49:00 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-12-09 19:59:00 +0100 |
| commit | 0a4ade5397918286d97dc575a4dfb00b6bba9b36 (patch) | |
| tree | de7ffe6b9774aa2ac6c46af819e9fe77b93988c2 /drivers/uio | |
| parent | c3a747791138062b81b7ba24547c2b58485d3718 (diff) | |
| download | lwn-0a4ade5397918286d97dc575a4dfb00b6bba9b36.tar.gz lwn-0a4ade5397918286d97dc575a4dfb00b6bba9b36.zip | |
uio: uio_cif: 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/20201119154903.82099-1-alexandru.ardelean@analog.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio')
| -rw-r--r-- | drivers/uio/uio_cif.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/uio/uio_cif.c b/drivers/uio/uio_cif.c index ab60186f9759..653f842a1491 100644 --- a/drivers/uio/uio_cif.c +++ b/drivers/uio/uio_cif.c @@ -43,12 +43,12 @@ static int hilscher_pci_probe(struct pci_dev *dev, { struct uio_info *info; - 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, "hilscher")) goto out_disable; @@ -92,8 +92,6 @@ out_release: pci_release_regions(dev); out_disable: pci_disable_device(dev); -out_free: - kfree (info); return -ENODEV; } @@ -105,8 +103,6 @@ static void hilscher_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 hilscher_pci_ids[] = { |