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rxrpc: The client call state must be changed before attachment to conn

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We must set the client call state to RXRPC_CALL_CLIENT_SEND_REQUEST before
attaching the call to the connection struct, not after, as it's liable to
receive errors and conn aborts as soon as the assignment is made - and
these will cause its state to be changed outside of the initiating thread's
control.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-09-04 13:10:10 +01:00
parent 00b5407e42
commit af338a9ea6
2 changed files with 4 additions and 2 deletions
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2
net/rxrpc/call_object.c
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@ -197,8 +197,6 @@ static int rxrpc_begin_client_call(struct rxrpc_call *call,
if (ret < 0)
return ret;
call->state = RXRPC_CALL_CLIENT_SEND_REQUEST;
spin_lock(&call->conn->params.peer->lock);
hlist_add_head(&call->error_link, &call->conn->params.peer->error_targets);
spin_unlock(&call->conn->params.peer->lock);