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-rw-r--r--net/core/dev.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index c16a07fde38..e1df1ab3e04 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3996,12 +3996,15 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
BUG_ON(strlen(name) >= sizeof(dev->name));
- /* ensure 32-byte alignment of both the device and private area */
- alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST +
- (sizeof(struct net_device_subqueue) * (queue_count - 1))) &
- ~NETDEV_ALIGN_CONST;
- if (sizeof_priv)
- alloc_size += sizeof_priv + NETDEV_ALIGN_CONST;
+ alloc_size = sizeof(struct net_device) +
+ sizeof(struct net_device_subqueue) * (queue_count - 1);
+ if (sizeof_priv) {
+ /* ensure 32-byte alignment of private area */
+ alloc_size = (alloc_size + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
+ alloc_size += sizeof_priv;
+ }
+ /* ensure 32-byte alignment of whole construct */
+ alloc_size += NETDEV_ALIGN_CONST;
p = kzalloc(alloc_size, GFP_KERNEL);
if (!p) {