From: Josef Bacik <jbacik@fb.com>
Date: Wed, 1 Mar 2017 16:47:22 +0000 (-0500)
Subject: nbd: stop leaking sockets
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6a8a21546507a3ec88e81c2ec927a3fb63efa8ff;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

nbd: stop leaking sockets

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@vger.kernel.org
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 0bf2b21a62cb..c7e93f62366f 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;