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net/compat.c,linux/filter.h: share compat_sock_fprog

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Any other users of bpf_*_filter that take a struct sock_fprog from
userspace will need to be able to also accept a compat_sock_fprog
if the arch supports compat calls.  This change allows the existing
compat_sock_fprog be shared.

Signed-off-by: Will Drewry <[email protected]>
Acked-by: Serge Hallyn <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Acked-by: Eric Paris <[email protected]>

v18: tasered by the apostrophe police
v14: rebase/nochanges
v13: rebase on to 88ebdda615
v12: rebase on to linux-next
v11: introduction
Signed-off-by: James Morris <[email protected]>
This commit is contained in:
Will Drewry 2012-04-12 16:47:53 -05:00 • committed by James Morris
commit 0c5fe1b422
2 changed files with 11 additions and 8 deletions
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8
net/compat.c
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@ -328,14 +328,6 @@ void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
__scm_destroy(scm);
}
/*
* A struct sock_filter is architecture independent.
*/
struct compat_sock_fprog {
u16 len;
compat_uptr_t filter; /* struct sock_filter * */
};
static int do_set_attach_filter(struct socket *sock, int level, int optname,
char __user *optval, unsigned int optlen)
{