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netfilter: bridge: fix wrong pointer dereference 

In adf7ff8, a invalid dereference was added in ebt_make_names.

CC [M]  net/bridge/netfilter/ebtables.o
net/bridge/netfilter/ebtables.c: In function `ebt_make_names':
net/bridge/netfilter/ebtables.c:1371:20: warning: `t' may be used uninitialized in this function [-Wuninitialized]

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pablo Neira Ayuso 2012-03-06 01:22:53 +00:00 committed by David S. Miller
parent 8be619d1e4
commit a157b9d5b5
1 changed files with 1 additions and 1 deletions
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2
net/bridge/netfilter/ebtables.c
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@ -1368,7 +1368,6 @@ ebt_make_names(struct ebt_entry *e, const char *base, char __user *ubase)
if (e->bitmask == 0)
return 0;
strncpy(name, t->u.target->name, sizeof(name));
hlp = ubase + (((char *)e + e->target_offset) - base);
t = (struct ebt_entry_target *)(((char *)e) + e->target_offset);
@ -1378,6 +1377,7 @@ ebt_make_names(struct ebt_entry *e, const char *base, char __user *ubase)
ret = EBT_WATCHER_ITERATE(e, ebt_make_watchername, base, ubase);
if (ret != 0)
return ret;
strncpy(name, t->u.target->name, sizeof(name));
if (copy_to_user(hlp, name, EBT_FUNCTION_MAXNAMELEN))
return -EFAULT;
return 0;