diff options
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_log.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c index 18e325ce6542..aa5847a16713 100644 --- a/net/netfilter/nf_log.c +++ b/net/netfilter/nf_log.c @@ -418,16 +418,17 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write, { const struct nf_logger *logger; char buf[NFLOGGER_NAME_LEN]; - size_t size = *lenp; int r = 0; int tindex = (unsigned long)table->extra1; struct net *net = current->nsproxy->net_ns; if (write) { - if (size > sizeof(buf)) - size = sizeof(buf); - if (copy_from_user(buf, buffer, size)) - return -EFAULT; + struct ctl_table tmp = *table; + + tmp.data = buf; + r = proc_dostring(&tmp, write, buffer, lenp, ppos); + if (r) + return r; if (!strcmp(buf, "NONE")) { nf_log_unbind_pf(net, tindex); |