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Date:   Mon, 20 Jul 2020 17:47:43 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net] rxrpc: Fix sendmsg() returning EPIPE due to
 recvmsg() returning ENODATA

From: David Howells <>
Date: Mon, 20 Jul 2020 12:41:46 +0100

> rxrpc_sendmsg() returns EPIPE if there's an outstanding error, such as if
> rxrpc_recvmsg() indicating ENODATA if there's nothing for it to read.
> Change rxrpc_recvmsg() to return EAGAIN instead if there's nothing to read
> as this particular error doesn't get stored in ->sk_err by the networking
> core.
> Also change rxrpc_sendmsg() so that it doesn't fail with delayed receive
> errors (there's no way for it to report which call, if any, the error was
> caused by).
> Fixes: 17926a79320a ("[AF_RXRPC]: Provide secure RxRPC sockets for use by userspace and kernel both")
> Signed-off-by: David Howells <>

Applied and queued up for -stable, thanks David.

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