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authorTaehee Yoo <ap420073@gmail.com>2019-06-10 02:05:30 +0900
committerDavid S. Miller <davem@davemloft.net>2019-06-11 11:55:48 -0700
commitabf9979f7ef34eea0d610885b7335ee4d6df05f9 (patch)
tree173e17a934f5ad18b1eee6b0e4b197685161ff66 /net/netlink
parente28799e52a0a7188374679184a32ca24921ff40e (diff)
downloadlinux-abf9979f7ef34eea0d610885b7335ee4d6df05f9.tar.bz2
net: netlink: make netlink_walk_start() void return type
netlink_walk_start() needed to return an error code because of rhashtable_walk_init(). but that was converted to rhashtable_walk_enter() and it is a void type function. so now netlink_walk_start() doesn't need any return value. Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/af_netlink.c15
1 files changed, 3 insertions, 12 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index e9ddfd782d16..7bc579f27332 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2544,12 +2544,10 @@ struct nl_seq_iter {
int link;
};
-static int netlink_walk_start(struct nl_seq_iter *iter)
+static void netlink_walk_start(struct nl_seq_iter *iter)
{
rhashtable_walk_enter(&nl_table[iter->link].hash, &iter->hti);
rhashtable_walk_start(&iter->hti);
-
- return 0;
}
static void netlink_walk_stop(struct nl_seq_iter *iter)
@@ -2565,8 +2563,6 @@ static void *__netlink_seq_next(struct seq_file *seq)
do {
for (;;) {
- int err;
-
nlk = rhashtable_walk_next(&iter->hti);
if (IS_ERR(nlk)) {
@@ -2583,9 +2579,7 @@ static void *__netlink_seq_next(struct seq_file *seq)
if (++iter->link >= MAX_LINKS)
return NULL;
- err = netlink_walk_start(iter);
- if (err)
- return ERR_PTR(err);
+ netlink_walk_start(iter);
}
} while (sock_net(&nlk->sk) != seq_file_net(seq));
@@ -2597,13 +2591,10 @@ static void *netlink_seq_start(struct seq_file *seq, loff_t *posp)
struct nl_seq_iter *iter = seq->private;
void *obj = SEQ_START_TOKEN;
loff_t pos;
- int err;
iter->link = 0;
- err = netlink_walk_start(iter);
- if (err)
- return ERR_PTR(err);
+ netlink_walk_start(iter);
for (pos = *posp; pos && obj && !IS_ERR(obj); pos--)
obj = __netlink_seq_next(seq);