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| author |   Jules Irenge <jbi.octave@gmail.com> | 2024-04-30 23:47:45 +0100 |
|---|---|---|
| committer |   Leon Romanovsky <leon@kernel.org> | 2024-05-05 15:12:35 +0300 |
| commit | 48d80b484491f177c586874c480cf9ba3af82b4f (patch) | |
| tree | 184a6b31886840a119ca55a715737aa2c5730d4f /drivers/infiniband/core/device.c | |
| parent | RDMA/ipoib: Remove NULL check before dev_{put, hold} (diff) | |
| download | wireguard-linux-48d80b484491f177c586874c480cf9ba3af82b4f.tar.xz wireguard-linux-48d80b484491f177c586874c480cf9ba3af82b4f.zip | |
RDMA/core: Remove NULL check before dev_{put, hold}
Coccinelle reports a warning
WARNING: NULL check before dev_{put, hold} functions is not needed
The reason is the call netdev_{put, hold} of dev_{put,hold} will check NULL
There is no need to check before using dev_{put, hold}
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/ZjF1Eedxwhn4JSkz@octinomon.home
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/core/device.c')
| -rw-r--r-- | drivers/infiniband/core/device.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 07cb6c5ffda0..55aa7aa32d4a 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -2174,8 +2174,7 @@ int ib_device_set_netdev(struct ib_device *ib_dev, struct net_device *ndev, spin_unlock_irqrestore(&pdata->netdev_lock, flags); add_ndev_hash(pdata); - if (old_ndev) - __dev_put(old_ndev); + __dev_put(old_ndev); return 0; } @@ -2235,8 +2234,7 @@ struct net_device *ib_device_get_netdev(struct ib_device *ib_dev, spin_lock(&pdata->netdev_lock); res = rcu_dereference_protected( pdata->netdev, lockdep_is_held(&pdata->netdev_lock)); - if (res) - dev_hold(res); + dev_hold(res); spin_unlock(&pdata->netdev_lock); } @@ -2311,9 +2309,7 @@ void ib_enum_roce_netdev(struct ib_device *ib_dev, if (filter(ib_dev, port, idev, filter_cookie)) cb(ib_dev, port, idev, cookie); - - if (idev) - dev_put(idev); + dev_put(idev); } } |