On Thu, 2017-05-18 at 03:01 -0700, [email protected] wrote:
> From: Jiada Wang <[email protected]>
> 
> In case either transfer->tx_buf or transfer->rx_buf is NULL,
> manipulation of buffer in spi_imx_u32_swap_u[8|16]() will cause
> NULL pointer dereference crash.
> 
> Add buffer check at very beginning of spi_imx_u32_swap_u[8|16](),
> to avoid such crash.
> 
> Signed-off-by: Jiada Wang <[email protected]>
> Reported-by: Leonard Crestez <[email protected]>

Tested-by: Leonard Crestez <[email protected]>

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