android_kernel_oneplus_msm8998/net/vmw_vsock
WANG Cong 3223ea1291 vsock: use new wait API for vsock_stream_sendmsg()
commit 499fde662f1957e3cb8d192a94a099ebe19c714b upstream.

As reported by Michal, vsock_stream_sendmsg() could still
sleep at vsock_stream_has_space() after prepare_to_wait():

  vsock_stream_has_space
    vmci_transport_stream_has_space
      vmci_qpair_produce_free_space
        qp_lock
          qp_acquire_queue_mutex
            mutex_lock

Just switch to the new wait API like we did for commit
d9dc8b0f8b4e ("net: fix sleeping for sk_wait_event()").

Reported-by: Michal Kubecek <mkubecek@suse.cz>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Jorgen Hansen <jhansen@vmware.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: "Jorgen S. Hansen" <jhansen@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-30 08:37:19 +00:00
..
af_vsock.c vsock: use new wait API for vsock_stream_sendmsg() 2017-11-30 08:37:19 +00:00
Kconfig treewide: Fix typo in Kconfig 2013-10-14 15:23:02 +02:00
Makefile
vmci_transport.c VSOCK: Detach QP check should filter out non matching QPs. 2017-04-27 09:09:32 +02:00
vmci_transport.h VSOCK: sock_put wasn't safe to call in interrupt context 2015-10-22 07:21:05 -07:00
vmci_transport_notify.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
vmci_transport_notify.h
vmci_transport_notify_qstate.c net: Fix use after free by removing length arg from sk_data_ready callbacks. 2014-04-11 16:15:36 -04:00
vsock_addr.c VSOCK: Move af_vsock.h and vsock_addr.h to include/net 2013-07-27 22:14:06 -07:00