net: ALIGN/PTR_ALIGN cleanup in alloc_netdev_mq()/netdev_priv()

Use ALIGN() and PTR_ALIGN() macros instead of handcoding them.

Get rid of NETDEV_ALIGN_CONST ugly define

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 4 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 371ece521e58..14efce33c002 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -905,7 +905,6 @@ struct net_device
 #define to_net_dev(d) container_of(d, struct net_device, dev)
 
 #define NETDEV_ALIGN            32
-#define NETDEV_ALIGN_CONST      (NETDEV_ALIGN - 1)
 
 static inline
 struct netdev_queue *netdev_get_tx_queue(const struct net_device *dev,
@@ -976,9 +975,7 @@ static inline bool netdev_uses_trailer_tags(struct net_device *dev)
  */
 static inline void *netdev_priv(const struct net_device *dev)
 {
-        return (char *)dev + ((sizeof(struct net_device)
-                               + NETDEV_ALIGN_CONST)
-                              & ~NETDEV_ALIGN_CONST);
+        return (char *)dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
 }
 
 /* Set the sysfs physical device reference for the network logical device