Re: [PATCH 12/17] spi: dw: Fix dma_slave_config used partly uninitialized

From: Andy Shevchenko
Date: Fri May 08 2020 - 15:20:30 EST


On Fri, May 08, 2020 at 04:29:37PM +0300, Serge Semin wrote:
> Since the TX and RX DMA-slave config structures are declared on the
> stack and only a part of their fields is initialized further in the
> prepare Tx/Rx methods, the next dmaengine_slave_config() calls may
> randomly perform an incorrect DMA channels setup depending on the
> stack initial values. Lets fix this by zeroing the config-structures
> before using them.

Already in spi/for-next.

--
With Best Regards,
Andy Shevchenko