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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2016-12-02 04:12:58 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-03 23:59:58 +0300 |
| commit | 9bfc7b9969dbb800460e2577f1dea59336269ce4 (patch) | |
| tree | 2fd83542f48b3aeb62c29035f08fa8019090e8df /net/core | |
| parent | 1a9a059203299ed42b984e91b87086bafeea36c6 (diff) | |
| download | linux-9bfc7b9969dbb800460e2577f1dea59336269ce4.tar.xz | |
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.c | 8 |
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; } |