From: David Miller <davem@davemloft.net>
To: dhowells@redhat.com
Cc: netdev@vger.kernel.org, linux-afs@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net] rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA
Date: Mon, 20 Jul 2020 17:47:43 -0700 (PDT) [thread overview]
Message-ID: <20200720.174743.1334852224037041234.davem@davemloft.net> (raw)
In-Reply-To: <159524530669.329784.1191492556041235335.stgit@warthog.procyon.org.uk>
From: David Howells <dhowells@redhat.com>
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 <dhowells@redhat.com>
Applied and queued up for -stable, thanks David.
prev parent reply other threads:[~2020-07-21 0:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 11:41 [PATCH net] rxrpc: Fix sendmsg() returning EPIPE due to recvmsg() returning ENODATA David Howells
2020-07-21 0:47 ` David Miller [this message]
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