Messages in this thread | | | Date | Fri, 12 Feb 2021 12:31:18 +0000 | From | Mark Brown <> | Subject | Re: [PATCH] spi: Skip zero-length transfers in spi_transfer_one_message() |
| |
On Thu, Feb 11, 2021 at 07:08:20PM +0100, Nicolas Saenz Julienne wrote:
> - if (xfer->tx_buf || xfer->rx_buf) { > + if ((xfer->tx_buf || xfer->rx_buf) && xfer->len) {
I think the issue here is more that some users were passing in buffers with zero length transfers, the above check was already intended to catch this case but was working on the assumption that if there was nothing to transfer then no buffer would be provided. [unhandled content-type:application/pgp-signature] | |