From: David S. Miller <davem@davemloft.net>
Date: Tue, 17 Jul 2018 00:02:04 +0000 (-0700)
Subject: net: Fix GRO_HASH_BUCKETS assertion.
X-Git-Tag: v4.19-rc1~140^2~345
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=ccdb51717ba3bdc9585998e4ffd41d70c04dedea;p=linux.git

net: Fix GRO_HASH_BUCKETS assertion.

FIELD_SIZEOF() is in bytes, but we want bits.

Fixes: d9f37d01e294 ("net: convert gro_count to bitmask")
Suggested-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 c883b17ee0fe..4f8b92d81d10 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9282,7 +9282,7 @@ static struct hlist_head * __net_init netdev_create_hash(void)
 static int __net_init netdev_init(struct net *net)
 {
 	BUILD_BUG_ON(GRO_HASH_BUCKETS >
-			FIELD_SIZEOF(struct napi_struct, gro_bitmask));
+		     8 * FIELD_SIZEOF(struct napi_struct, gro_bitmask));
 
 	if (net != &init_net)
 		INIT_LIST_HEAD(&net->dev_base_head);