netdevice: add DEFINE_FREE() for dev_put

jmberg-intel · davem330 · commit b1f81b9a535b · 2024-04-03T09:59:38.000+01:00
For short netdev holds within a function there are still a lot of
users of dev_put() rather than netdev_put(). Add DEFINE_FREE() to
allow making those safer.

Signed-off-by: Johannes Berg &lt;johannes.berg@intel.com&gt;
Reviewed-by: Simon Horman &lt;horms@kernel.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
@@ -4097,6 +4097,8 @@ static inline void dev_put(struct net_device *dev)
 	netdev_put(dev, NULL);
 }
 
+DEFINE_FREE(dev_put, struct net_device *, if (_T) dev_put(_T))
+
 static inline void netdev_ref_replace(struct net_device *odev,
 				      struct net_device *ndev,
 				      netdevice_tracker *tracker,

Original file line number	Diff line number	Diff line change
`@@ -4097,6 +4097,8 @@ static inline void dev_put(struct net_device *dev)`
`4097`	`4097`	`netdev_put(dev, NULL);`
`4098`	`4098`	`}`
`4099`	`4099`
	`4100`	`+DEFINE_FREE(dev_put, struct net_device *, if (_T) dev_put(_T))`
	`4101`	`+`
`4100`	`4102`	`static inline void netdev_ref_replace(struct net_device *odev,`
`4101`	`4103`	`struct net_device *ndev,`
`4102`	`4104`	`netdevice_tracker *tracker,`