diff options
| author | Johan Hovold <johan@kernel.org> | 2016-11-03 20:40:22 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-11-07 21:17:30 +0300 |
| commit | 2271150bfb814b72ec57ae2fdf66e39da2eafafd (patch) | |
| tree | e5416d0f9b795b5a888ab77c95f20d535479115f /drivers/net/ethernet/hisilicon/hns | |
| parent | 6bed0118012ea350acbe606ab3ae0ed3d60ed5f3 (diff) | |
| download | linux-2271150bfb814b72ec57ae2fdf66e39da2eafafd.tar.xz | |
net: hns: fix device reference leaks
Make sure to drop the reference taken by class_find_device() in
hnae_get_handle() on errors and when later releasing the handle.
Fixes: 6fe6611ff275 ("net: add Hisilicon Network Subsystem...")
Cc: Yisen Zhuang <yisen.zhuang@huawei.com>
Cc: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns/hnae.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns/hnae.c b/drivers/net/ethernet/hisilicon/hns/hnae.c index c54c6fac0d1d..b6ed818f78ff 100644 --- a/drivers/net/ethernet/hisilicon/hns/hnae.c +++ b/drivers/net/ethernet/hisilicon/hns/hnae.c @@ -332,8 +332,10 @@ struct hnae_handle *hnae_get_handle(struct device *owner_dev, return ERR_PTR(-ENODEV); handle = dev->ops->get_handle(dev, port_id); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + put_device(&dev->cls_dev); return handle; + } handle->dev = dev; handle->owner_dev = owner_dev; @@ -356,6 +358,8 @@ out_when_init_queue: for (j = i - 1; j >= 0; j--) hnae_fini_queue(handle->qs[j]); + put_device(&dev->cls_dev); + return ERR_PTR(-ENOMEM); } EXPORT_SYMBOL(hnae_get_handle); @@ -377,6 +381,8 @@ void hnae_put_handle(struct hnae_handle *h) dev->ops->put_handle(h); module_put(dev->owner); + + put_device(&dev->cls_dev); } EXPORT_SYMBOL(hnae_put_handle); |