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[EBTABLES]: Move calls of ebt_verify_pointers() upstream.
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... and pass just repl->name to translate_table()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Al Viro authored and David S. Miller committed Dec 3, 2006
1 parent f7da79d commit 1bc2326
Showing 1 changed file with 11 additions and 9 deletions.
20 changes: 11 additions & 9 deletions net/bridge/netfilter/ebtables.c
Original file line number Diff line number Diff line change
Expand Up @@ -774,17 +774,12 @@ static int check_chainloops(struct ebt_entries *chain, struct ebt_cl_stack *cl_s
}

/* do the parsing of the table/chains/entries/matches/watchers/targets, heh */
static int translate_table(struct ebt_replace *repl,
struct ebt_table_info *newinfo)
static int translate_table(char *name, struct ebt_table_info *newinfo)
{
unsigned int i, j, k, udc_cnt;
int ret;
struct ebt_cl_stack *cl_s = NULL; /* used in the checking for chain loops */

ret = ebt_verify_pointers(repl, newinfo);
if (ret != 0)
return ret;

i = 0;
while (i < NF_BR_NUMHOOKS && !newinfo->hook_entry[i])
i++;
Expand Down Expand Up @@ -889,7 +884,7 @@ static int translate_table(struct ebt_replace *repl,
/* used to know what we need to clean up if something goes wrong */
i = 0;
ret = EBT_ENTRY_ITERATE(newinfo->entries, newinfo->entries_size,
ebt_check_entry, newinfo, repl->name, &i, cl_s, udc_cnt);
ebt_check_entry, newinfo, name, &i, cl_s, udc_cnt);
if (ret != 0) {
EBT_ENTRY_ITERATE(newinfo->entries, newinfo->entries_size,
ebt_cleanup_entry, &i);
Expand Down Expand Up @@ -986,7 +981,11 @@ static int do_replace(void __user *user, unsigned int len)

/* this can get initialized by translate_table() */
newinfo->chainstack = NULL;
ret = translate_table(&tmp, newinfo);
ret = ebt_verify_pointers(&tmp, newinfo);
if (ret != 0)
goto free_counterstmp;

ret = translate_table(tmp.name, newinfo);

if (ret != 0)
goto free_counterstmp;
Expand Down Expand Up @@ -1185,7 +1184,10 @@ int ebt_register_table(struct ebt_table *table)

/* fill in newinfo and parse the entries */
newinfo->chainstack = NULL;
ret = translate_table(table->table, newinfo);
ret = ebt_verify_pointers(table->table, newinfo);
if (ret != 0)
goto free_chainstack;
ret = translate_table(table->table->name, newinfo);
if (ret != 0) {
BUGPRINT("Translate_table failed\n");
goto free_chainstack;
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