block: refuse negative iops and bps values

Negative I/O throttling iops and bps values do not make sense so reject
them with an error message.

Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2013-02-13 16:53:43 +01:00 committed by Kevin Wolf
parent c546194f26
commit 7d81c1413c

View File

@ -274,6 +274,16 @@ static bool do_check_io_limits(BlockIOLimit *io_limits, Error **errp)
return false;
}
if (io_limits->bps[BLOCK_IO_LIMIT_TOTAL] < 0 ||
io_limits->bps[BLOCK_IO_LIMIT_WRITE] < 0 ||
io_limits->bps[BLOCK_IO_LIMIT_READ] < 0 ||
io_limits->iops[BLOCK_IO_LIMIT_TOTAL] < 0 ||
io_limits->iops[BLOCK_IO_LIMIT_WRITE] < 0 ||
io_limits->iops[BLOCK_IO_LIMIT_READ] < 0) {
error_setg(errp, "bps and iops values must be 0 or greater");
return false;
}
return true;
}