summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
authorTrond Myklebust <trond.myklebust@hammerspace.com>2021-10-27 00:01:07 +0200
committerTrond Myklebust <trond.myklebust@hammerspace.com>2021-11-05 00:46:19 +0100
commit3be232f11a3cc9b0ef0795e39fa11bdb8e422a06 (patch)
tree273fc671f6aa2652a503818ba1b35f69fafcd751 /net
parentSUNRPC: Fix races when closing the socket (diff)
downloadlinux-3be232f11a3cc9b0ef0795e39fa11bdb8e422a06.tar.xz
linux-3be232f11a3cc9b0ef0795e39fa11bdb8e422a06.zip
SUNRPC: Prevent immediate close+reconnect
If we have already set up the socket and are waiting for it to connect, then don't immediately close and retry. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/xprt.c3
-rw-r--r--net/sunrpc/xprtsock.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 691fe5a682b6..a02de2bddb28 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -767,7 +767,8 @@ EXPORT_SYMBOL_GPL(xprt_disconnect_done);
*/
static void xprt_schedule_autoclose_locked(struct rpc_xprt *xprt)
{
- set_bit(XPRT_CLOSE_WAIT, &xprt->state);
+ if (test_and_set_bit(XPRT_CLOSE_WAIT, &xprt->state))
+ return;
if (test_and_set_bit(XPRT_LOCKED, &xprt->state) == 0)
queue_work(xprtiod_workqueue, &xprt->task_cleanup);
else if (xprt->snd_task && !test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7fb302e202bc..ae48c9c84ee1 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2314,7 +2314,7 @@ static void xs_connect(struct rpc_xprt *xprt, struct rpc_task *task)
WARN_ON_ONCE(!xprt_lock_connect(xprt, task, transport));
- if (transport->sock != NULL) {
+ if (transport->sock != NULL && !xprt_connecting(xprt)) {
dprintk("RPC: xs_connect delayed xprt %p for %lu "
"seconds\n",
xprt, xprt->reestablish_timeout / HZ);