spi: davinci: fix a NULL pointer dereference
authorBartosz Golaszewski <bgolaszewski@baylibre.com>
Fri, 10 Aug 2018 09:13:52 +0000 (11:13 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 9 Sep 2018 18:01:19 +0000 (20:01 +0200)
commitae8f22ed6f92c3e1a7d0d4edb2d6dfbea51406b4
tree0ae35a74fc9232bdb52c749484fffa6d4314dbd3
parent5c45154990d557575cfa74b0b14b8a16f36af31f
spi: davinci: fix a NULL pointer dereference

commit 563a53f3906a6b43692498e5b3ae891fac93a4af upstream.

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/spi/spi-davinci.c