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| author | Bartosz Golaszewski <bgolaszewski@baylibre.com> | 2018-08-10 11:13:52 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-09 20:07:54 +0200 |
| commit | fec7d721a09b917f6fa8b923a28fbac97c1217ba (patch) | |
| tree | f5d9da651f14b0c9dba57f3db8f5b5c6e6a9af17 | |
| parent | ba6984fc0162f24a510ebc34e881b546b69c553b (diff) | |
| download | linux-stable-fec7d721a09b917f6fa8b923a28fbac97c1217ba.tar.gz linux-stable-fec7d721a09b917f6fa8b923a28fbac97c1217ba.tar.bz2 linux-stable-fec7d721a09b917f6fa8b923a28fbac97c1217ba.zip | |
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>
| -rw-r--r-- | drivers/spi/spi-davinci.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-davinci.c b/drivers/spi/spi-davinci.c index 63700ab7bd9f..1107a5d5a256 100644 --- a/drivers/spi/spi-davinci.c +++ b/drivers/spi/spi-davinci.c @@ -230,7 +230,7 @@ static void davinci_spi_chipselect(struct spi_device *spi, int value) } /* program delay transfers if tx_delay is non zero */ - if (spicfg->wdelay) + if (spicfg && spicfg->wdelay) spidat1 |= SPIDAT1_WDEL; /* |