net: filter: move forward declarations to avoid compile warnings
Get rid of this compile warning: In file included from arch/s390/kernel/compat_linux.c:37:0: include/linux/filter.h:139:23: warning: 'struct sk_buff' declared inside parameter list Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -131,6 +131,10 @@ struct sock_fprog { /* Required for SO_ATTACH_FILTER. */
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#define SKF_LL_OFF (-0x200000)
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#ifdef __KERNEL__
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struct sk_buff;
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struct sock;
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struct sk_filter
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{
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atomic_t refcnt;
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@ -146,9 +150,6 @@ static inline unsigned int sk_filter_len(const struct sk_filter *fp)
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return fp->len * sizeof(struct sock_filter) + sizeof(*fp);
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}
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struct sk_buff;
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struct sock;
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extern int sk_filter(struct sock *sk, struct sk_buff *skb);
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extern unsigned int sk_run_filter(const struct sk_buff *skb,
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const struct sock_filter *filter);
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