Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[karo-tx-linux.git] / net / netfilter / xt_recent.c

diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index d725a27743a169fc80cc00f38dd2278696be3365..e3b7a09b103e490a2c85364d8938b47565b9c66c 100644 (file)
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -110,7 +110,6 @@ static const struct file_operations recent_old_fops, recent_mt_fops;
 #endif
 
 static u_int32_t hash_rnd __read_mostly;
-static bool hash_rnd_inited __read_mostly;
 
 static inline unsigned int recent_entry_hash4(const union nf_inet_addr *addr)
 {
@@ -340,10 +339,8 @@ static int recent_mt_check(const struct xt_mtchk_param *par,
        int ret = -EINVAL;
        size_t sz;
 
-       if (unlikely(!hash_rnd_inited)) {
-               get_random_bytes(&hash_rnd, sizeof(hash_rnd));
-               hash_rnd_inited = true;
-       }
+       net_get_random_once(&hash_rnd, sizeof(hash_rnd));
+
        if (info->check_set & ~XT_RECENT_VALID_FLAGS) {
                pr_info("Unsupported user space flags (%08x)\n",
                        info->check_set);