[NETFILTER]: x_tables: switch xt_match->match to bool
Switch the return type of match functions to boolean
Signed-off-by: Jan Engelhardt <jengelh@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netfilter/xt_dccp.c b/net/netfilter/xt_dccp.c
index 3172e730..b0eba4e 100644
--- a/net/netfilter/xt_dccp.c
+++ b/net/netfilter/xt_dccp.c
@@ -31,7 +31,7 @@
static unsigned char *dccp_optbuf;
static DEFINE_SPINLOCK(dccp_buflock);
-static inline int
+static inline bool
dccp_find_option(u_int8_t option,
const struct sk_buff *skb,
unsigned int protoff,
@@ -46,11 +46,11 @@
if (dh->dccph_doff * 4 < __dccp_hdr_len(dh)) {
*hotdrop = true;
- return 0;
+ return false;
}
if (!optlen)
- return 0;
+ return false;
spin_lock_bh(&dccp_buflock);
op = skb_header_pointer(skb, protoff + optoff, optlen, dccp_optbuf);
@@ -58,13 +58,13 @@
/* If we don't have the whole header, drop packet. */
spin_unlock_bh(&dccp_buflock);
*hotdrop = true;
- return 0;
+ return false;
}
for (i = 0; i < optlen; ) {
if (op[i] == option) {
spin_unlock_bh(&dccp_buflock);
- return 1;
+ return true;
}
if (op[i] < 2)
@@ -74,24 +74,24 @@
}
spin_unlock_bh(&dccp_buflock);
- return 0;
+ return false;
}
-static inline int
+static inline bool
match_types(const struct dccp_hdr *dh, u_int16_t typemask)
{
return (typemask & (1 << dh->dccph_type));
}
-static inline int
+static inline bool
match_option(u_int8_t option, const struct sk_buff *skb, unsigned int protoff,
const struct dccp_hdr *dh, bool *hotdrop)
{
return dccp_find_option(option, skb, protoff, dh, hotdrop);
}
-static int
+static bool
match(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -105,12 +105,12 @@
struct dccp_hdr _dh, *dh;
if (offset)
- return 0;
+ return false;
dh = skb_header_pointer(skb, protoff, sizeof(_dh), &_dh);
if (dh == NULL) {
*hotdrop = true;
- return 0;
+ return false;
}
return DCCHECK(((ntohs(dh->dccph_sport) >= info->spts[0])