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netfilter: Fix several warnings in compat_mtw_from_user(). 

Kill set but not used 'entry_offset'.

Add a default case to the switch statement so the compiler
can see that we always initialize off and size_kern before
using them.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
David Miller 2011-05-19 18:14:39 -04:00 committed by Pablo Neira Ayuso
parent 9184a9cba6
commit 97242c85a2
1 changed files with 4 additions and 2 deletions
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6
net/bridge/netfilter/ebtables.c
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@ -1883,14 +1883,13 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
struct xt_target *wt;
void *dst = NULL;
int off, pad = 0;
unsigned int size_kern, entry_offset, match_size = mwt->match_size;
unsigned int size_kern, match_size = mwt->match_size;
strlcpy(name, mwt->u.name, sizeof(name));
if (state->buf_kern_start)
dst = state->buf_kern_start + state->buf_kern_offset;
entry_offset = (unsigned char *) mwt - base;
switch (compat_mwt) {
case EBT_COMPAT_MATCH:
match = try_then_request_module(xt_find_match(NFPROTO_BRIDGE,
@ -1933,6 +1932,9 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt,
size_kern = wt->targetsize;
module_put(wt->me);
break;
default:
return -EINVAL;
}
state->buf_kern_offset += match_size + off;