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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:57:53 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-05-27 05:57:53 +0400 |
| commit | 8095e4e81b4bc38eef7e0be99f9ecc744eaa1683 (patch) | |
| tree | d3b5100db11784093e78513f3429022569b4bf7b /include/net/sock.h | |
| parent | 6b5f146535fe6969aeded9f00b0bc42b3783f7fd (diff) | |
| parent | e4aa937ec75df0eea0bee03bffa3303ad36c986b (diff) | |
| download | linux-8095e4e81b4bc38eef7e0be99f9ecc744eaa1683.tar.xz | |
Merge 3.10-rc3 into tty-next
We want these fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/net/sock.h')
| -rw-r--r-- | include/net/sock.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/sock.h b/include/net/sock.h index 5c97b0fc5623..66772cf8c3c5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -866,6 +866,18 @@ struct inet_hashinfo; struct raw_hashinfo; struct module; +/* + * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes + * un-modified. Special care is taken when initializing object to zero. + */ +static inline void sk_prot_clear_nulls(struct sock *sk, int size) +{ + if (offsetof(struct sock, sk_node.next) != 0) + memset(sk, 0, offsetof(struct sock, sk_node.next)); + memset(&sk->sk_node.pprev, 0, + size - offsetof(struct sock, sk_node.pprev)); +} + /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface * transport -> network interface is defined by struct inet_proto |