[PATCH] spi: davinci: fix a NULL pointer dereference

[Bartosz Golaszewski]

From: Bartosz Golaszewski <bgolaszew...@baylibre.com>

On non-OF systems spi->controlled_data may be NULL. This causes a NULL
pointer derefence on dm365-evm.

Signed-off-by: Bartosz Golaszewski <bgolaszew...@baylibre.com>
---
 drivers/spi/spi-davinci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c
index 577084bb911b..a02099c90c5c 100644
--- a/drivers/spi/spi-davinci.c
+++ b/drivers/spi/spi-davinci.c
@@ -217,7 +217,7 @@ static void davinci_spi_chipselect(struct spi_device *spi, 
int value)
        pdata = &dspi->pdata;
 
        /* program delay transfers if tx_delay is non zero */
-       if (spicfg->wdelay)
+       if (spicfg && spicfg->wdelay)
                spidat1 |= SPIDAT1_WDEL;
 
        /*
-- 
2.18.0