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Diffstat (limited to 'net/netlink')
-rw-r--r--net/netlink/genetlink.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index f5aa23c3e886..3e1191cecaf0 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -444,8 +444,11 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (ops->dumpit == NULL)
return -EOPNOTSUPP;
- return netlink_dump_start(genl_sock, skb, nlh,
- ops->dumpit, ops->done);
+ genl_unlock();
+ err = netlink_dump_start(genl_sock, skb, nlh,
+ ops->dumpit, ops->done);
+ genl_lock();
+ return err;
}
if (ops->doit == NULL)
@@ -603,9 +606,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
int chains_to_skip = cb->args[0];
int fams_to_skip = cb->args[1];
- if (chains_to_skip != 0)
- genl_lock();
-
for (i = 0; i < GENL_FAM_TAB_SIZE; i++) {
if (i < chains_to_skip)
continue;
@@ -623,9 +623,6 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
}
errout:
- if (chains_to_skip != 0)
- genl_unlock();
-
cb->args[0] = i;
cb->args[1] = n;
@@ -770,7 +767,7 @@ static int __init genl_init(void)
/* we'll bump the group number right afterwards */
genl_sock = netlink_kernel_create(&init_net, NETLINK_GENERIC, 0,
- genl_rcv, NULL, THIS_MODULE);
+ genl_rcv, &genl_mutex, THIS_MODULE);
if (genl_sock == NULL)
panic("GENL: Cannot initialize generic netlink\n");