diff options
| author | Ingo Molnar <mingo@elte.hu> | 2006-04-28 15:23:59 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-04-29 18:33:18 -0700 |
| commit | 8dff7c29707b7514043539f5ab5e0a6eb7bd9dcd (patch) | |
| tree | a584dcfb2142d4596086d7081a3d63fd9988e7ce /net/xfrm/xfrm_policy.c | |
| parent | a76e07acd0de635122c5e60ccd5e55f9d5082391 (diff) | |
| download | blackbird-op-linux-8dff7c29707b7514043539f5ab5e0a6eb7bd9dcd.tar.gz blackbird-op-linux-8dff7c29707b7514043539f5ab5e0a6eb7bd9dcd.zip | |
[XFRM]: fix softirq-unsafe xfrm typemap->lock use
xfrm typemap->lock may be used in softirq context, so all write_lock()
uses must be softirq-safe.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/xfrm/xfrm_policy.c')
| -rw-r--r-- | net/xfrm/xfrm_policy.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index c3725fe2a8fb..e5b0afc94f1e 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -57,12 +57,12 @@ int xfrm_register_type(struct xfrm_type *type, unsigned short family) return -EAFNOSUPPORT; typemap = afinfo->type_map; - write_lock(&typemap->lock); + write_lock_bh(&typemap->lock); if (likely(typemap->map[type->proto] == NULL)) typemap->map[type->proto] = type; else err = -EEXIST; - write_unlock(&typemap->lock); + write_unlock_bh(&typemap->lock); xfrm_policy_put_afinfo(afinfo); return err; } @@ -78,12 +78,12 @@ int xfrm_unregister_type(struct xfrm_type *type, unsigned short family) return -EAFNOSUPPORT; typemap = afinfo->type_map; - write_lock(&typemap->lock); + write_lock_bh(&typemap->lock); if (unlikely(typemap->map[type->proto] != type)) err = -ENOENT; else typemap->map[type->proto] = NULL; - write_unlock(&typemap->lock); + write_unlock_bh(&typemap->lock); xfrm_policy_put_afinfo(afinfo); return err; } |
