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>
diff --git a/net/core/dev.c b/net/core/dev.c
index ed4550f..32ceee1 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4988,18 +4988,18 @@
struct netdev_queue *tx;
struct net_device *dev;
size_t alloc_size;
- void *p;
+ struct net_device *p;
BUG_ON(strlen(name) >= sizeof(dev->name));
alloc_size = sizeof(struct net_device);
if (sizeof_priv) {
/* ensure 32-byte alignment of private area */
- alloc_size = (alloc_size + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
+ alloc_size = ALIGN(alloc_size, NETDEV_ALIGN);
alloc_size += sizeof_priv;
}
/* ensure 32-byte alignment of whole construct */
- alloc_size += NETDEV_ALIGN_CONST;
+ alloc_size += NETDEV_ALIGN - 1;
p = kzalloc(alloc_size, GFP_KERNEL);
if (!p) {
@@ -5014,8 +5014,7 @@
goto free_p;
}
- dev = (struct net_device *)
- (((long)p + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
+ dev = PTR_ALIGN(p, NETDEV_ALIGN);
dev->padded = (char *)dev - (char *)p;
if (dev_addr_init(dev))