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netfilter: Use IS_ERR_OR_NULL().

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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki / 吉藤英明
2013-01-22 06:33:09 +00:00
committed by David S. Miller
parent 3f0d2ba0bd
commit 0cc8d8df9b
3 changed files with 15 additions and 15 deletions
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10
net/ipv6/netfilter/ip6_tables.c
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@@ -1098,7 +1098,7 @@ static int get_info(struct net *net, void __user *user,
#endif
t = try_then_request_module(xt_find_table_lock(net, AF_INET6, name),
"ip6table_%s", name);
if (t && !IS_ERR(t)) {
if (!IS_ERR_OR_NULL(t)) {
struct ip6t_getinfo info;
const struct xt_table_info *private = t->private;
#ifdef CONFIG_COMPAT
@@ -1157,7 +1157,7 @@ get_entries(struct net *net, struct ip6t_get_entries __user *uptr,
}
t = xt_find_table_lock(net, AF_INET6, get.name);
if (t && !IS_ERR(t)) {
if (!IS_ERR_OR_NULL(t)) {
struct xt_table_info *private = t->private;
duprintf("t->private->number = %u\n", private->number);
if (get.size == private->size)
@@ -1197,7 +1197,7 @@ __do_replace(struct net *net, const char *name, unsigned int valid_hooks,
t = try_then_request_module(xt_find_table_lock(net, AF_INET6, name),
"ip6table_%s", name);
if (!t || IS_ERR(t)) {
if (IS_ERR_OR_NULL(t)) {
ret = t ? PTR_ERR(t) : -ENOENT;
goto free_newinfo_counters_untrans;
}
@@ -1355,7 +1355,7 @@ do_add_counters(struct net *net, const void __user *user, unsigned int len,
}
t = xt_find_table_lock(net, AF_INET6, name);
if (!t || IS_ERR(t)) {
if (IS_ERR_OR_NULL(t)) {
ret = t ? PTR_ERR(t) : -ENOENT;
goto free;
}
@@ -1939,7 +1939,7 @@ compat_get_entries(struct net *net, struct compat_ip6t_get_entries __user *uptr,
xt_compat_lock(AF_INET6);
t = xt_find_table_lock(net, AF_INET6, get.name);
if (t && !IS_ERR(t)) {
if (!IS_ERR_OR_NULL(t)) {
const struct xt_table_info *private = t->private;
struct xt_table_info info;
duprintf("t->private->number = %u\n", private->number);