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| author | David Howells <dhowells@redhat.com> | 2020-09-29 22:29:44 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2020-10-15 13:28:00 +0100 |
| commit | f3af4ad1e08a8a9e61878b9f72751a5b76b3baf9 (patch) | |
| tree | fb7134dfebe6cd067613723a0ccc454f6bea55bb /net | |
| parent | d25e2e9388eda61b6e298585024ee3355f50c493 (diff) | |
| download | linux-f3af4ad1e08a8a9e61878b9f72751a5b76b3baf9.tar.bz2 | |
rxrpc: Fix bundle counting for exclusive connections
Fix rxrpc_unbundle_conn() to not drop the bundle usage count when cleaning
up an exclusive connection.
Based on the suggested fix from Hillf Danton.
Fixes: 245500d853e9 ("rxrpc: Rewrite the client connection manager")
Reported-by: syzbot+d57aaf84dd8a550e6d91@syzkaller.appspotmail.com
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Hillf Danton <hdanton@sina.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/rxrpc/conn_client.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c index 78c845a4f1ad..5d9adfd4c84f 100644 --- a/net/rxrpc/conn_client.c +++ b/net/rxrpc/conn_client.c @@ -901,7 +901,7 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) struct rxrpc_bundle *bundle = conn->bundle; struct rxrpc_local *local = bundle->params.local; unsigned int bindex; - bool need_drop = false; + bool need_drop = false, need_put = false; int i; _enter("C=%x", conn->debug_id); @@ -928,10 +928,11 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) if (i == ARRAY_SIZE(bundle->conns) && !bundle->params.exclusive) { _debug("erase bundle"); rb_erase(&bundle->local_node, &local->client_bundles); + need_put = true; } spin_unlock(&local->client_bundles_lock); - if (i == ARRAY_SIZE(bundle->conns)) + if (need_put) rxrpc_put_bundle(bundle); } |