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nbd/server: Better error for NBD_OPT_EXPORT_NAME failure

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When a client abruptly disconnects before we've finished reading
the name sent with NBD_OPT_EXPORT_NAME, we are better off logging
the failure as EIO (we can't communicate with the client), rather
than EINVAL (the client sent bogus data).

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20180110230825.18321-4-eblake@redhat.com>
This commit is contained in:
Eric Blake 2018-01-10 17:08:22 -06:00
parent 0cfae925d2
commit 32f158a635
1 changed files with 1 additions and 1 deletions
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nbd/server.c
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@ -299,7 +299,7 @@ static int nbd_negotiate_handle_export_name(NBDClient *client,
} }
if (nbd_read(client->ioc, name, client->optlen, errp) < 0) { if (nbd_read(client->ioc, name, client->optlen, errp) < 0) {
error_prepend(errp, "read failed: "); error_prepend(errp, "read failed: ");
return -EINVAL; return -EIO;
} }
name[client->optlen] = '\0'; name[client->optlen] = '\0';
client->optlen = 0; client->optlen = 0;