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[NETFILTER]: x_tables: make xt_compat_match_from_user usable in iterator macros 

Make xt_compat_match_from_user return an int to make it usable in the
*tables iterator macros and kill a now unnecessary wrapper function.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2007-12-17 21:46:40 -08:00 committed by David S. Miller
parent 4b4782486d
commit 8956695131
3 changed files with 6 additions and 16 deletions
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4
include/linux/netfilter/x_tables.h
View File

@ -382,8 +382,8 @@ extern void xt_compat_lock(int af);
extern void xt_compat_unlock(int af);
extern int xt_compat_match_offset(struct xt_match *match);
extern void xt_compat_match_from_user(struct xt_entry_match *m,
void **dstptr, int *size);
extern int xt_compat_match_from_user(struct xt_entry_match *m,
void **dstptr, int *size);
extern int xt_compat_match_to_user(struct xt_entry_match *m,
void __user **dstptr, int *size);

13
net/ipv4/netfilter/ip_tables.c
View File

@ -1654,16 +1654,6 @@ release_matches:
return ret;
}
static inline int
compat_copy_match_from_user(struct ipt_entry_match *m,
void **dstptr, compat_uint_t *size,
const char *name, const struct ipt_ip *ip,
unsigned int hookmask)
{
xt_compat_match_from_user(m, dstptr, size);
return 0;
}
static int
compat_copy_entry_from_user(struct ipt_entry *e, void **dstptr,
unsigned int *size, const char *name,
@ -1681,8 +1671,7 @@ compat_copy_entry_from_user(struct ipt_entry *e, void **dstptr,
memcpy(de, e, sizeof(struct ipt_entry));
*dstptr += sizeof(struct compat_ipt_entry);
ret = IPT_MATCH_ITERATE(e, compat_copy_match_from_user, dstptr, size,
name, &de->ip, de->comefrom);
ret = IPT_MATCH_ITERATE(e, xt_compat_match_from_user, dstptr, size);
if (ret)
return ret;
de->target_offset = e->target_offset - (origsize - *size);

5
net/netfilter/x_tables.c
View File

@ -342,8 +342,8 @@ int xt_compat_match_offset(struct xt_match *match)
}
EXPORT_SYMBOL_GPL(xt_compat_match_offset);
void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
int *size)
int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
int *size)
{
struct xt_match *match = m->u.kernel.match;
struct compat_xt_entry_match *cm = (struct compat_xt_entry_match *)m;
@ -365,6 +365,7 @@ void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
*size += off;
*dstptr += msize;
return 0;
}
EXPORT_SYMBOL_GPL(xt_compat_match_from_user);