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drbd: don't retry connection if peers do not agree on "authentication" settings

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emma: "Unexpected data packet AuthChallenge (0x0010)"
 ava: "expected AuthChallenge packet, received: ReportProtocol (0x000b)"
      "Authentication of peer failed, trying again."

Pattern repeats.

There is no point in retrying the handshake,
if we expect to receive an AuthChallenge,
but the peer is not even configured to expect or use a shared secret.

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Lars Ellenberg 2018-12-20 17:23:40 +01:00 committed by Jens Axboe
parent 2c38f03511
commit 9049ccd46f
1 changed files with 1 additions and 1 deletions
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2
drivers/block/drbd/drbd_receiver.c
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@ -5332,7 +5332,7 @@ static int drbd_do_auth(struct drbd_connection *connection)
if (pi.cmd != P_AUTH_CHALLENGE) { if (pi.cmd != P_AUTH_CHALLENGE) {
drbd_err(connection, "expected AuthChallenge packet, received: %s (0x%04x)\n", drbd_err(connection, "expected AuthChallenge packet, received: %s (0x%04x)\n",
cmdname(pi.cmd), pi.cmd); cmdname(pi.cmd), pi.cmd);
rv = 0; rv = -1;
goto fail; goto fail;
} }