diff options
| author | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2020-08-11 11:58:31 +1000 |
| commit | c44264f9f729fd63bd6a81a6ac5cd6cd49af09e5 (patch) | |
| tree | ad77b18ffeafb50b3eb9ba6472670dc1d96f5558 /net/rxrpc/call_object.c | |
| parent | ca457ab5908603b36be903e73977afde1ba03c84 (diff) | |
| parent | bcf876870b95592b52519ed4aafcf9d95999bc9c (diff) | |
Merge tag 'v5.8' into drm-next
I need to backmerge 5.8 as I've got a bunch of fixes sitting
on an rc7 base that I want to land.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'net/rxrpc/call_object.c')
| -rw-r--r-- | net/rxrpc/call_object.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c index f07970207b54..38a46167523f 100644 --- a/net/rxrpc/call_object.c +++ b/net/rxrpc/call_object.c @@ -288,7 +288,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, */ ret = rxrpc_connect_call(rx, call, cp, srx, gfp); if (ret < 0) - goto error; + goto error_attached_to_socket; trace_rxrpc_call(call->debug_id, rxrpc_call_connected, atomic_read(&call->usage), here, NULL); @@ -308,18 +308,29 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx, error_dup_user_ID: write_unlock(&rx->call_lock); release_sock(&rx->sk); - ret = -EEXIST; - -error: __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, - RX_CALL_DEAD, ret); + RX_CALL_DEAD, -EEXIST); trace_rxrpc_call(call->debug_id, rxrpc_call_error, - atomic_read(&call->usage), here, ERR_PTR(ret)); + atomic_read(&call->usage), here, ERR_PTR(-EEXIST)); rxrpc_release_call(rx, call); mutex_unlock(&call->user_mutex); rxrpc_put_call(call, rxrpc_call_put); - _leave(" = %d", ret); - return ERR_PTR(ret); + _leave(" = -EEXIST"); + return ERR_PTR(-EEXIST); + + /* We got an error, but the call is attached to the socket and is in + * need of release. However, we might now race with recvmsg() when + * completing the call queues it. Return 0 from sys_sendmsg() and + * leave the error to recvmsg() to deal with. + */ +error_attached_to_socket: + trace_rxrpc_call(call->debug_id, rxrpc_call_error, + atomic_read(&call->usage), here, ERR_PTR(ret)); + set_bit(RXRPC_CALL_DISCONNECTED, &call->flags); + __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR, + RX_CALL_DEAD, ret); + _leave(" = c=%08x [err]", call->debug_id); + return call; } /* |