diff --git a/include/linux/filter.h b/include/linux/filter.h index 3ba843c46382..c6cb8f095088 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -143,7 +143,7 @@ static inline unsigned int sk_filter_len(struct sk_filter *fp) struct sk_buff; struct sock; -extern int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen); +extern unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen); extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk); extern int sk_chk_filter(struct sock_filter *filter, int flen); #endif /* __KERNEL__ */ diff --git a/include/net/sock.h b/include/net/sock.h index 6961700ff3a0..1806e5b61419 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -856,8 +856,8 @@ static inline int sk_filter(struct sock *sk, struct sk_buff *skb, int needlock) filter = sk->sk_filter; if (filter) { - int pkt_len = sk_run_filter(skb, filter->insns, - filter->len); + unsigned int pkt_len = sk_run_filter(skb, filter->insns, + filter->len); if (!pkt_len) err = -EPERM; else diff --git a/net/core/filter.c b/net/core/filter.c index 8964d3445588..9eb9d0017a01 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -75,7 +75,7 @@ static inline void *load_pointer(struct sk_buff *skb, int k, * len is the number of filter blocks in the array. */ -int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen) +unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen) { struct sock_filter *fentry; /* We walk down these */ void *ptr; @@ -241,9 +241,9 @@ load_b: A = X; continue; case BPF_RET|BPF_K: - return ((unsigned int)fentry->k); + return fentry->k; case BPF_RET|BPF_A: - return ((unsigned int)A); + return A; case BPF_ST: mem[fentry->k] = A; continue;