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rxrpc: rxrpc_kernel_send_data() needs to handle failed call better

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If rxrpc_kernel_send_data() is asked to send data through a call that has
already failed (due to a remote abort, received protocol error or network
error), then return the associated error code saved in the call rather than
ESHUTDOWN.

This allows the caller to work out whether to ask for the abort code or not
based on this.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Howells 2017-03-09 08:10:32 +00:00 committed by David S. Miller
parent 4b3b45edba
commit 6fc166d62c
1 changed files with 3 additions and 2 deletions
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5
net/rxrpc/sendmsg.c
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@ -618,8 +618,9 @@ int rxrpc_kernel_send_data(struct socket *sock, struct rxrpc_call *call,
ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len);
break;
case RXRPC_CALL_COMPLETE:
/* It's too late for this call */
ret = -ESHUTDOWN;
read_lock_bh(&call->state_lock);
ret = -call->error;
read_unlock_bh(&call->state_lock);
break;
default:
/* Request phase complete for this client call */