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authorAlexey Dobriyan <adobriyan@gmail.com>2016-12-02 04:12:58 +0300
committerDavid S. Miller <davem@davemloft.net>2016-12-03 15:59:58 -0500
commit9bfc7b9969dbb800460e2577f1dea59336269ce4 (patch)
tree2fd83542f48b3aeb62c29035f08fa8019090e8df /net/core
parent1a9a059203299ed42b984e91b87086bafeea36c6 (diff)
netns: add dummy struct inside "struct net_generic"
This is precursor to fixing "[id - 1]" bloat inside net_generic(). Name "s" is chosen to complement name "u" often used for dummy unions. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/net_namespace.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 707b3c25cb80..55e28a8d0604 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -50,7 +50,7 @@ static struct net_generic *net_alloc_generic(void)
ng = kzalloc(generic_size, GFP_KERNEL);
if (ng)
- ng->len = max_gen_ptrs;
+ ng->s.len = max_gen_ptrs;
return ng;
}
@@ -64,7 +64,7 @@ static int net_assign_generic(struct net *net, unsigned int id, void *data)
old_ng = rcu_dereference_protected(net->gen,
lockdep_is_held(&net_mutex));
- if (old_ng->len >= id) {
+ if (old_ng->s.len >= id) {
old_ng->ptr[id - 1] = data;
return 0;
}
@@ -84,11 +84,11 @@ static int net_assign_generic(struct net *net, unsigned int id, void *data)
* the old copy for kfree after a grace period.
*/
- memcpy(&ng->ptr, &old_ng->ptr, old_ng->len * sizeof(void*));
+ memcpy(&ng->ptr, &old_ng->ptr, old_ng->s.len * sizeof(void*));
ng->ptr[id - 1] = data;
rcu_assign_pointer(net->gen, ng);
- kfree_rcu(old_ng, rcu);
+ kfree_rcu(old_ng, s.rcu);
return 0;
}