This was introduced in the multi-connection patch, we've been leaking socket's ever since. Fixes: 9561a7a ("nbd: add multi-connection support") cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Josef Bacik <jbacik@xxxxxx> --- drivers/block/nbd.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 0bf2b21..c7e93f6 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -689,8 +689,10 @@ static int nbd_clear_sock(struct nbd_device *nbd, struct block_device *bdev) nbd->num_connections) { int i; - for (i = 0; i < nbd->num_connections; i++) + for (i = 0; i < nbd->num_connections; i++) { + sockfd_put(nbd->socks[i]->sock); kfree(nbd->socks[i]); + } kfree(nbd->socks); nbd->socks = NULL; nbd->num_connections = 0; -- 2.7.4