Messages in this thread | | | Subject | Re: [PATCH 1/1] spi: imx: fix issue when tx_buf or rx_buf is NULL | From | Leonard Crestez <> | Date | Thu, 18 May 2017 13:08:34 +0300 |
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On Thu, 2017-05-18 at 03:01 -0700, jiada_wang@mentor.com wrote: > From: Jiada Wang <jiada_wang@mentor.com> > > 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 <jiada_wang@mentor.com> > Reported-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Leonard Crestez <leonard.crestez@nxp.com>
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