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authorChristoph Hellwig <hch@lst.de>2020-05-29 14:09:42 +0200
committerDavid S. Miller <davem@davemloft.net>2020-05-29 13:10:39 -0700
commitc0425a4249e9d313eec5f81c0bde8a286ebf9a63 (patch)
treedbe8e82ca86e471956cef038764adb299270b0ef /fs/dlm
parent05bfd3661448a46db3a258b316160d34cf0a1317 (diff)
downloadlinux-c0425a4249e9d313eec5f81c0bde8a286ebf9a63.tar.bz2
net: add a new bind_add method
The SCTP protocol allows to bind multiple address to a socket. That feature is currently only exposed as a socket option. Add a bind_add method struct proto that allows to bind additional addresses, and switch the dlm code to use the method instead of going through the socket option from kernel space. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/lowcomms.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 9f1c3cdc9d65..3543a8fec907 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -882,6 +882,7 @@ static void writequeue_entry_complete(struct writequeue_entry *e, int completed)
static int sctp_bind_addrs(struct connection *con, uint16_t port)
{
struct sockaddr_storage localaddr;
+ struct sockaddr *addr = (struct sockaddr *)&localaddr;
int i, addr_len, result = 0;
for (i = 0; i < dlm_local_count; i++) {
@@ -889,13 +890,9 @@ static int sctp_bind_addrs(struct connection *con, uint16_t port)
make_sockaddr(&localaddr, port, &addr_len);
if (!i)
- result = kernel_bind(con->sock,
- (struct sockaddr *)&localaddr,
- addr_len);
+ result = kernel_bind(con->sock, addr, addr_len);
else
- result = kernel_setsockopt(con->sock, SOL_SCTP,
- SCTP_SOCKOPT_BINDX_ADD,
- (char *)&localaddr, addr_len);
+ result = sock_bind_add(con->sock->sk, addr, addr_len);
if (result < 0) {
log_print("Can't bind to %d addr number %d, %d.\n",